who is the biologist who died at the age of 72?​

Answers

Answer 1

Answer:

C.L. BRISTOL DIES AT AGE OF 72; Was Emeritus Professor of Biology at New York University Since 1925.HELD CHAIR FOR 31 YEARS Won Prominence

Explanation:

Answer 2

Answer:PROF. C.L. BRISTOL DIES AT AGE OF 72; Was Emeritus Professor of Biology at New York University Since 1925.HELD CHAIR FOR 31 YEARS

Explanation:


Related Questions

What does uranium do to the environment

Answers

Uranium in air exists as dust that will fall into surface water, on plants or on soils through settling or rainfall causing it to harm humans and animals . If you inhale uranium there is a chance you can get lung cancer

ᴄᴀɴ ᴀɴʏʙᴏᴅʏ ɢɪᴠᴇ ᴍᴇ ꜰɪᴠᴇ ꜰᴜɴ ꜰᴀᴄᴛꜱ ᴀʙᴏᴜᴛ ᴛʜᴇ ᴀꜰʀɪᴄᴀɴ ꜱᴛʀᴀᴡ ᴄᴏʟᴏʀᴇᴅ ꜰʀᴜɪᴛ ʙᴀᴛ?

Answers

These bats are very social bats and stay in huge colonies ranging from one hundred thousand to one million bats, both male and female included, and during migration their numbers are higher. Since they live in tight knit communities but are suspicious of outsiders, they are one of the most secretive specie of bat, preferring to keep their colonies and hide out. These bats can live over twenty years.

The largest danger and predator of straw-colored fruit bats are humans. In some areas, such as West Africa, straw-colored fruit bats are hunted and consumed for their meat because they are considered a delicacy.

Help pleaseee, someone

Answers

oxygen and hydrogen will have a covalent bond

sodium and chlorine will bond as an electron

oxygen an iron will have a ionic bond

calcium and fluoride will have an ionic bond

help asap please!
science
Complete the table below to show the difference between active and passive transport. Put a “X” in boxes that satisfy the statement.

Answers

Answer:

Active transport:

requires energymolecules move from low to high concentration sidesNa+ and K+ move by active transport

Simple diffusion:

molecules move from high to low concentration sidesmolecules pass between lipids small non-polar and polar molecules

Facilitated diffusion:

molecules move from high to low concentration sidesinvolves channel proteinsmove large molecules

Explanation:  

Simple Diffusion is the pathway of only small molecules that freely move through the membrane by momentary openings produced by the lipids' movements. Diffusion is a slow process that requires short distances and pronounced concentration gradients to be efficient. An example of diffusion is osmosis by which water is the transported molecule. Facilitated diffusion is the transport of hydrophilic molecules that can not freely cross the membrane. Channel protein and many carrier proteins are in charge of this transport. When uncharged molecules cross the membrane, they do it according to their concentration gradients, going from the more concentrated side to the lower concentrated one. When ions need to cross the membrane, the process depends on an electrochemical gradient.  Glucose is an example of a hydrophilic protein that gets into the cell by facilitated diffusion.

Simple diffusion and facilitated diffusion are both passive transport processes because they only depend on electrochemical gradients, so they do not need any energy to occur.

Active transport is the transport of molecules that move against the electrochemical gradient, so it does need energy to happen. Molecules move from the lower concentration side to the higher concentration side of the membrane. Carrier proteins are in charge of active transport. The needed energy might proceed from the ATP molecules or the membrane's electric potential. An example of molecules moved by active transport are the Na and K.

In Active transport, molecules or ions move against the concentration gradient by using energy from ATP.

What is Membrane transport?

The transfer of molecules across the plasma membrane into or out of the cell.

There are two types of membrane transport,

1. Passive transport:

When molecules move along the gradient. It can be of two types,

Simple diffusion (via phospholipids)Facilitated diffusion (via channel protein)

2. Active transport:

When molecules move against the concentration gradient, they require energy. Energy is given by ATP.

Therefore, in Active transport, molecules or ions move against the concentration gradient by using energy from ATP.

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What kinds of organisms can carry out photosynthesis?

Answers

Answer:

Plants, algae, and a group of bacteria called cyanobacteria are the only organisms capable of performing photosynthesis.

Explanation:

What would happen to
offspring if crossing over did
not occur?

Answers

Answer: If crossing over did not occur during meiosis, there would be less genetic variation within a species. ... Also the species could die out due to disease and any immunity gained will die with the individual. Two types of gametes are possible when following genes on the same chromosomes. If crossing over does not occur, the products are parental gametes. If crossing over occurs, the products are recombinant gametes.

Explanation:

ANSWER FAST ILL GIVE BRAINLIEST!!!
What does it mean for a species to be in stasis?
The gene pool of the species is changing rapidly.
The species is not changing much.
The species is only found as fossils.
The species is in geographic isolation.

Answers

Answer:

the species is not changing much

Explanation:

another way you can think of this is homeostasis and that is a period of inactivity

The species is not changing much

What happens to the blood pressure when the blood vessels get longer?

Answers

Answer:

:)

Explanation:

The main artery from the heart (aorta) becomes thicker, stiffer, and less flexible. This is probably related to changes in the connective tissue of the blood vessel wall. This makes the blood pressure higher and makes the heart work harder, which may lead to thickening of the heart muscle (hypertrophy).

What are the two sets of the chromosomes of the same type are called?
Diploid cells have 1 set of chromosomes that comes from?
Nervous system cells that are in the human body are?​

Answers

Answer:

What are the two sets of the chromosomes of the same type are called?

Homologous chromosomes

Diploid cells have 1 set of chromosomes that comes from?

The mom's egg and the other set comes from the dad sperm

Nervous system cells that are in the human body are?

Diploid

-TheUnknownScientist

Explanation:

homologous chromosomes

diploid

Which sediment do you think can store the most water?

Answers

Answer:

silt 3

Explanation:

an aquaferis a rock layers that stores and allows the flow of groundwater

Sediment that can store the most water is an aquifer.

What is an aquifer?

By definition, an aquifer is a geological unit where water infiltrates and stores and can be used as a source of supply. Generally, when penetrating into porous layers, almost always of sedimentary rocks, the water goes through a natural filtering process, making it suitable for consumption.

Whit this information, we can conclude that Sediment that can store the most water is an aquifer.

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could someone answer 3, 4 and 5 for me please? i’ll give you brainliest answer or whatever :).

Answers

Answer:

2. In the natural environment, plants produce their own food to survive. As with photosynthesis, plants get oxygen from the air through the stomata. Respiration takes place in the mitochondria of the cell in the presence of oxygen, which is called "aerobic respiration".

3.  Both cellular respiration and fermentation are process that break down food and convert the chemical energy stored in the food to ATP molecules. Both these processes begin with glycolysis and convert glucose to pyruvate. ... Fermentation only uses the latter.

4. Energy is usually absorbed during photosynthesis.

Photosynthesis is the process whereby green plants manufacture their food in the presence of sunlight(energy source), water and carbon dioxide:

       6CO₂    +     6H₂O          →           C₆H₁₂O₆          +       6O₂

                                                ↑

                                         Sunlight

Sunlight supplies solar energy that is used to converted the chemical species into glucose that stores chemical energy.

 Respiration is the reverse of photosynthesis. In this reaction, oxygen gas combines with glucose to produce energy with water and carbon dioxide as by products. The energy stored in photosynthesis is released during respiration.

            C₆H₁₂O₆          +       6O₂           →   6CO₂    +     6H₂O  ↑ energy

Explanation:

Answer:

2. The process of respiration in plants involves using the sugars produced during photosynthesis plus oxygen to produce energy for plant growth. As with photosynthesis, plants get oxygen from the air through the stomata.

3. Both cellular respiration and fermentation are process that break down food and convert the chemical energy stored in the food to ATP molecules.

4. Energy is usually absorbed during photosynthesis.

Photosynthesis is the process whereby green plants manufacture their food in the presence of sunlight(energy source), water and carbon dioxide:

       6CO₂    +     6H₂O          →           C₆H₁₂O₆          +       6O₂

                                                ↑

                                         Sunlight

Sunlight supplies solar energy that is used to converted the chemical species into glucose that stores chemical energy.

 Respiration is the reverse of photosynthesis. In this reaction, oxygen gas combines with glucose to produce energy with water and carbon dioxide as by products. The energy stored in photosynthesis is released during respiration.

            C₆H₁₂O₆          +       6O₂           →   6CO₂    +     6H₂O  ↑ energy

Surface mining for coal involves removing all the vegetation and rock above the coal being mined. Which two of Earth's subsystems are most immediately affected by surface mining? Select one: A. Biosphere and hydrosphere. B. Geosphere and biosphere. C. Hydrosphere and atmosphere. D. Atmosphere and geosphere.

Answers

Answer:

B. Geosphere and biosphere.

Explanation:

Earth as a planet can be subdivided into subsystems called "spheres". The spheres that make up the Earth are as follows; geosphere or lithosphere, hydrosphere, atmosphere, biosphere etc.

As related to this question:

- The GEOSPHERE refers to the solid part of the Earth, which involves rocks, minerals etc. of the Earth crust. It can be regarded to be the physical land.

- The BIOSPHERE refers to a collection of all the living organisms inhabiting the Earth. This includes plants, animals, microbes etc.

According to these question, surface mining for coal is an act that involves removing all the vegetation and rock above the coal being mined. This means that the physical land/rocks (geosphere) and vegetation of plants (biosphere) covering the coal beneath are affected. Hence, based on the explanation above, GEOSPHERE and BIOSPHERE are two of Earth's subsystems most immediately affected by surface mining.

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Habitat destruction causes issues for many different species because it gives them a smaller area to move around to look for food, shelter, or other resources. Which of the
following would be a possible solution to this problem?
O A Moving all of the animals to one forest away from cities
O
B. Killing all of the animals
O
C. Connecting the forests together
allow animals to move between the forests
O D. Constructing a large wall around the city so the animals and humans are separated

Answers

C is the best solution

how do some cells beomce brain cells and others become skin cells, when the dna in all the cells is exactly the same. In other words, if the instructions are exactly the same, how does one become a brain cell and another a skin cell?

Answers

Answer:

In other words, if the instructions are exactly the same, how does one cell become a brain cell and another a skin cell? it has the ability to turn off genes. The cell grows, makes a copy of its DNA, and prepares to divide into two cells.

Explanation:

hope this helps you.  

Answer:

Red blood cells make the different types of dna in the skin to convert and mutate the other skin cells

Explanation:

I had this question

Los hidrocarburos se forman con la Unión de los elementos carbono e hidrógeno hay dos grandes grupos que son:

Answers

Answer:

Alcanos, alquenos y alquinos.

Explicación:

Los hidrocarburos se forman con la unión de los elementos carbono e hidrógeno, hay tres grandes grupos de hidrocarburos que son alcanos, alquenos y alquinos. Estos hidrocarburos se dividen en grupos según el tipo de enlace. Los alcanos son los hidrocarburos que contienen enlaces simples entre átomos de carbono, los alquenos tienen un doble enlace entre átomos de carbono, mientras que los alquinos contienen un triple enlace carbono-carbono.

Does myostatin defiency make you grow muscle faster then normal?

Answers

Answer:

Deficiency in myostatin resulted in increased muscle mass (1, 6, 15–18), but that this increase was not accompanied by a proportionate increase in force generation.

Explanation:

These findings clearly indicate that the increase in muscle mass of myostatin mutant animals confers no strength advantage over wild-type controls.

Hope this helps!

In subduction what plate would be on top and what plate would be on the bottom?

Answers

Answer:

oceanic plate would slide under the continental plate

Explanation:

continental is on top, oceanic on bottom

Answer:

When an oceanic lithosphere meets a continental lithosphere in a subduction zone, the oceanic plate always goes under the continental plate. This is the rule because the rock making up an oceanic lithosphere is denser than in a continental lithosphere.२०२० मे

Animal and Plant Cell Organelles Use the drop-down menus to determine where these organelles can be found. Ribosome Endoplasmic reticulum Golgi apparatus Cell wall Vacuoles Lysosomes Mitochondria Cell membrane Cytoplasm Chloroplasts

Answers

Answer:

Animal Cell:

Ribosome, Endoplasmic reticulum, Golgi apparatus, small Vacuoles, Lysosomes, Mitochondria, Cell membrane, Cytoplasm.

Plant Cell:

Ribosome, Endoplasmic reticulum, Golgi apparatus, Cell wall, Big Vacuole, Lysosomes, Mitochondria, Cell membrane, Cytoplasm, Chloroplasts.

Explanation:

                          Animal Cells                              Vegetable Cells

Cell wall                          NO                                             YES

Vacuoles       YES, Small and more than ones     YES, Only one and big

Chloroplast                      NO                                        YES

Plasmatic membrane       YES                                            YES

Mitochondria                       YES                                         YES

Lysosomes                       YES                                           YES

Endoplasmic reticulum      YES                                           YES

Golgi apparatus                   YES                                           YES

Cytoplasm                            YES                                           YES

Ribosome                             YES                                           YES

Both the animal and plant cells are eukaryotic. They carry their genetic material in the nucleus and mitochondria. Organelles are located in the cytosol, and both of them are surrounded by a protector cell membrane.

However, they have some differences:

Cell wall: A rigid structure that provides support and protection.

Animal cells do not have a cell wall. They are only surrounded by the cell membrane, which is flexible, so they can adopt different shapes. Plant cells have a wall, so their shape is usually prismatic and regular. The cell wall is composed mainly of cellulose.

Chloroplast: these are organelles that accumulate chlorophyll.

Animal cells do not have chloroplasts because they do not photosynthesize. Plant cells have chloroplasts, and they are in charge of the photosynthesis process that allows plants to release oxygen. These organelles use solar light as the source of energy.

Vacuoles:

Animal cells have many and small vacuoles whose function is to store water, ions, and waste intracellular substances. Plant cells have a unique big-sized vacuole that might occupy almost 90% of the cell. Their principal function is to store water and keep the turgidity. When the vacuole gets empty, the plant loses rigidity.

Other differences are:

The animal cell has centrioles, while the vegetable cell does not.

Plasmodium, chromoplasts, and glyoxysomes are present in the vegetable cell but not in the animal cell.

When we burn fossil fuels, ____________ is released into the atmosphere.
A. water vapor

B. carbon dioxide

C. oxygen

Answers

Answer:

B. Carbon Dioxide

Answer:

carbon dioxide

Explanation:

hope this helped :)

According to the diagram, during the last 40 million years, the structure of the horse’s foot has



lost its toes _


become smaller


grown toes


remained the same size

Answers

Answer:

gotten smaller

Explanation:

Why do animals need carbohydrates in their diets?
A) Carbohydrates can be used by the cells in the body for energy.
(В)
Carbohydrates are the building blocks for muscles and tissues.
©
Carbohydrates are used in the absorption of water molecules.
D
Carbohydrates provide insulation for organs in the body.

Answers

Answer:

A. Carbohydrates can be used by the cells in the body for energy.

Explanation:

Carbohydrates are the basic source of energy for all animals. Animals obtain their carbohydrates from the external environment (compared with plants, which synthesize carbohydrates by photosynthesis). About one-half to two-thirds of the total calories every animal consumes daily are from carbohydrates.

Hope this helps! (I would appreciate brainliest, if not that's okay!)

Question 6 (1 point)
Choose ALL that apply for mangroves.
Mangroves have bladders in their leaves to dilute the seawater.
Aerial roots act as support to hold their tops above water.
Mangroves han leaves that contain glands, which expel salty water.
Holes in the central stem take in air for the roots of the mangrove.

Answers

Answer:

Aerial roots act as support to hold their tops above water.

Mangroves has leaves that contain glands, which expel salty water.

Explanation:

A mangrove is a shrub that grows in coastal saline or brackish water due to their salt tolerance abilities. Aerial roots act as support to hold the plant in water as well as provide oxygen to the plants. These aerial roots are present outside the water so that to provide oxygen to the plants directly absorb from the atmosphere. Mangroves leaves contain glands, which removes salty water from the body so due to these glands, mangrove is able to grow in saline water.

what are 2 ways to create a biome that will suppoert a cactus needs

Answers

Answer:

The second way is to put wet sand with rocks in the sand in the bottom of the bottle, then put dry sand next, get some water and dump it all in there with the plant in it. The advantages in the first one was the plant gets a good amount of water and cactus love water so that is one advantage.

What is the Florida state record for largemouth bass (guess)

Answers

17.27 Ibs my brother told me this is confidence so probably

Answer:

The state record is 17.27 pounds

Explanation:

Hope this helps

Box A and Box B are both set in the sun at the same time and both have an initial temperature of 30 oC. After 30 minutes the final temperature for Box A was 32 oC and the final temperature for Box B was 42 oC. Which box was made of made of a material with a lower specific heat capacity?
Your answer:
Box A since its temperature increases slower
Box B since its temperature increases faster
Both had a the same specific heat
Specific heat has nothing to do with how fast or slow materials heat and cool

Answers

Answer:

Its not A

Explanation:

Answer:

It's B, "Box B since its temperature increases faster"

Explanation:

I don't know how to explain this properly but what I try to remember is the lower the Specific Heat Capacity = Better Conductor.

what happens to macromolecules from food during digestion?
what atoms makeup sugar molecules, amino acids, and fatty acids?
what do you notice about the atoms that make up these molecules?
how are these atoms used to make new molecules? what types of molecules are made?
where does the energy come from to produce these new molecules?

Answers

Answer:

In chemical digestion, enzymes break down food into the small molecules the body can use. It is important to break down macromolecules into smaller fragments that are of suitable size for absorption across cell membranes.

Amino acids are the monomers that makes up protein

If it's in the table, it's an element! Atoms can join together - they form bonds together - to make MOLECULES. For example, two atoms of hydrogen hook together to form a molecule of hydrogen, H2 for short.

BONDING. When atoms join together to form molecules, they are held together by chemical bonds. These bonds form as a result of the sharing or exchange of electrons between the atoms. ... Different atoms use these electrons to form one of three different types of bond: ionic bonds, covalent bonds, or metallic bonds.

Proteins. ...

Lipids. ...

Carbohydrates. ...

Nucleic Acids.

Respiration, which consists of three phases, occurs in the mitochondria, the cell's “powerhouses.” This metabolic pathway traps the maximum amount of stored chemical energy within a molecule of glucose, generating a total of 30 molecules of ATP in conjunction with glycolysis.

Please give me a brainliest...Thank you

Which of these organisms provides evidence that mitosis is used for reproduction in some species
A.amoeba

B.ant

C.bluebird

D.jellyfish

Answers

An organism that provides evidence that mitosis is used for reproduction in some species is known as Amoeba. Thus, the correct option for this question is A.

What is Mitosis?

Mitosis may be defined as a type of cell division through which a parental cell is successfully divided into two daughter cells. These daughter cells are genetically identical to the parental cell and are diploid in nature. Somatic cells of the body generally divided this process.

Amoebas are single-celled organisms that reproduce asexually through binary fission. Reproduction occurs when an amoeba doubles its genetic material and creates two nuclei. In this process of reproduction, an individual divides itself into two daughter cells similar to mitosis.

Therefore, an organism that provides evidence that mitosis is used for reproduction in some species is known as Amoeba. Thus, the correct option for this question is A.

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What is the function of the hormone progesterone? preparation of the body for maintaining pregnancy development of male secondary sex characteristics development of female secondary sex characteristics preparation of the fallopian tube for fertilization.​

Answers

Answer:

A !!!!!!!!!!

Explanation:

Progesterone is a hormone released by the corpus luteum in the ovary. It plays important roles in the menstrual cycle and in maintaining the early stages of pregnancy. It may also be involved in the growth of certain cancers.

The function of hormone progesterone is  to prepare the body for  maintaining pregnancy.

What is progesterone?It is a steroid  hormone involved in the menstrual cycle, pregnancy and embryogenesis of humans and other species.It is released by corpus luteum and prepares the body for conception.Mainly stimulates the uterus for maintaining pregnancy.Also regulates the monthly menstrual cycle.

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Question in photo pls tell me which ever blue box is the Answer
help pls :(
Zoom in if needed
Thank you! :D

Answers

Answer:

The blank box (represents air)

Explanation:

The animal is biotic (living), the tree is also biotic (living), and the piece of wood also biotic (living.) The only abiotic factor in the photo, although we cant physically see it, is air.

PLEASE HELP I WILL GIVE BRAINLIEST with3

Answers

Answer:

Erosion and gravity

Explanation:

Erosion weathers away rock and sediment and moves it to a different location. gravity moves broken pieces of rock and sediment downslope.

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Which number line shows the solution to the inequality 4x + 5 >9? Please help! Will give brainliest!Don't give a like. help I don't understand 1 pointMarlene sits in a roller coaster that is at the top of a 72 m hill. Marlene andthe rollercoaster have a combined mass of 120 kg. Calculate the energy.829,785 J311,080J84,672 JO 42,336 J How did the federal government help the civil rights movement? How did President Johnson's Reconstruction Planimpact white supremacy in the south? A box contains 2 red marbles, 3 white marbles, 4 green marbles, and 1 blue marble find the probability of selecting a white marble in the first draw and a red marble in the second draw A large bag of marbles contains red (R) and blue (B) marbles. Marbles are pulled one at a time, recorded, and placed back in the bag. Estimate the percentage of blue marbles in the bag. R R R B R R R R R R B R R R BA. 60%B. 80%C. 25%D. 20% Malcolm has no friends except for his brother. He would desperately love to date women, but he is certain that no woman would be interested in him, and is fearful that other people would ridicule his public behavior. Malcolm tried a dating service but was convinced that the secretary was trying to get rid of him because he was such a poor candidate. Any thought of meeting a woman in public causes him to experience an intense fear of rejection. The MOST likely diagnosis for Malcolm is _____ personality disorder. Please help fast !!!! Help me pls!!!! What is the main idea of this excerpt from Abraham Lincolns First Inaugural Address? Which of the following contributed to tensions between Japan and the UnitedStates before World War ll? Can sides of a triangle have lengths 1, 13, and 14 ??? A large percentage of Africa, Asia, and Latin America are involved insubsistence agriculture.TrueFalse 5k(k-9)=0 solve for k What happens to the cellsof Osteoporosis cerebral palsy? A right triangle has a hypotenuse of 18 feet and a side length opposite A of 12 feet. What is the measure of A to the nearest degree? What is the value of the second quartile what is the name of the chemical used for bleach in sugar industries In your own words, explain what is happening in this chart. Please use the terms Marginal Cost and Marginal Revenue in your answer.