Answer:
C
Explanation:
Which of the following is something mulching does NOT do?
A. it covers the ground
B. it takes nutrients from the soil
C. it keeps in moisture
D. it limits weed growth
What is the thin, whitish skin layer on the top of bones called?
1. periosteum
2. bone marrow
3. hard bone
4. compact bone
Answer:
The answer is periosteum
Explanation:
I dont really have an explanation i had this wuestion and just guessed an got it right
Answer:
periosteum is correct to the person above
Explanation:
I. Define the following terms:
A. Population
B. Population density
C. Carrying Capacity
D. Exponential Growth
E. Density-independent limiting factor
F. Logistic Growth
G. Density-dependent limiting factor
II. Enumarate at least three(3) factors that affect population growth.
III. Diffrentiate exponential growth and logistic growth.
❌NONSENSE➪ REPORT❌
➡️Please answer it seriously i really need it right now⬅️
Answer:
I. Define the following terms:-
Population ➝ the world population is the total number of humans currently living.
Population density ➝ is a measurement of population per unit area or volume. It is frequently applied to living organisms, most of the time to humans.
Carrying capacity➝ is the average population density or population size of a species in a habitat.
Exponential growth➝ is a process that increases quantity over time. It occurs when the instantaneous rate of change.
Density-independent limiting factor➝ is any force that affects the size of a population of living things.
Logistic Growth ➝ is a population's per capita growth rate stays the same regardless of population size, making the population grow faster as it gets larger.
Density-dependent limiting factor➝ is a limiting factor of a population wherein large, large dense populations are more affected than small, less crowded ones ex. predation, competition, food supply.
II. Enumarate at least three(3) factors that affect population growth.
Birth rates Death rates ImmigrationIII. Differentiate exponential growth and logistic growth.
Exponential growth is a growth in population wherein the number of individuals increases. Logistic growth entails exponential growth in population along with a growth rate that is in a constant state. As the population comes to its carrying capacity, the growth rate then decreases significantly.
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hope it helps...
have a great day!!
in a
U1 A genetic change that occurs in a body cell of a
mouse will not contribute to the evolution of the
species because
(1) body cell mutations will cause the cell to die
before it reproduces
(2) the evolution of a species can result from
changes in reproductive cells, not body cells
(3) random changes are repaired by enzymes
before they are passed on to offspring
(4) the evolution of a species is caused by natural
selection, not genetic variation
Answer: 2
Explanation:
Answer:
2
Explanation:
I got this from my answer and here it what it said: Evolutionary genetic changes occur only in reproductive cells. Body Cells that undergo changes do not affect the evolution of that species
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In which structure do sperm cells develop?
A. Epididymis
B.scrotum
C.testes
D.vas deferens
Answer:
C
Explanation:
You could literally search that up. It's correct though.
"Sperm develop in the testicles within a system of tiny tubes called the seminiferous tubules. At birth, these tubules contain simple round cells. During puberty, testosterone and other hormones cause these cells to transform into sperm cells."
What is the building block of all
living things?
3.
A the cell
the chloroplast
the nucleus
D the cytoplasm
2. Which of the following statements is true?
Answer:
With no doubt ,
The cell is the building block of all living things.
Bacteria use this form of reproduction.
A. Asexual reproduction
B. Sexual reproduction
C. Both of them
Answer:
A asexual reproduction
Explain what causes acid rain to form and its negative effects on living and nonliving things.
Answer:
The rain containing excess of acids called an acid rain.
Explanation:
The rain becomes acidic because of harmful gases like carbon dioxide,
sulphur dioxide and nitrogen dioxide which are emitted as smoke from
vehicles and industries. These harmful gases dissolve in rain drops to
form carbonic acid, sulphuric acid and nitric acid respectively.
Effects of Acid Rain
Acid rain makes the water of lakes, ponds and rivers too acidic
due to which fish and other aquatic animals get killed.
Acid rain eats up the leaves of the trees gradually. By losing
leaves, the trees die. Acid rain also damages crop plants in the
fields.
Acid rain damages the metal structures like steel bridges, etc
when it falls on them.
Acid rain damages the surfaces of buildings and monuments made
up of marble.
An organism made up of only one cell is called...
A. multicellular
B. unicellular
Answer:
unicellular
Explanation:
Unicellular organisms are made up of only one cell that carries out all of the functions needed by the organism.
Answer:
Unicellular
Explanation:
Uni means consisting of one, and Multi means more than one (:
Pietro has two dogs that are related, and he wants to understand why one of the dogs has tan fur and the other has brown fur.
Which pattern of inheritance would explain the different fur color in the related dogs?
Polygenic inheritance is simply a form of inheritance whereby the trait of the individual or the animal is gotten from the cumulative effects of several genes. In such case, there are many genes which control the expression of the trait. This is quite different from the monogenic inheritance whereby the trait is as a result of the expression of just only one gene.
Since Pietro has two dogs that are related, and one of the dogs has tan fur and the other has brown fur, then this means there's more than one gene which is expressed in this case.
In conclusion, the answer to the question is polygenic inheritance.
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In meiosis II, _____. View Available Hint(s) In meiosis II, _____. chromosomes cross over to exchange genetic information chromosome number is reduced from diploid to haploid homologous chromosomes pair to ensure their even distribution to daughter cells sister chromatids are separated
Answer:
The correct answer is - sister chromatids are separated.
Explanation:
Meiosis is divided in two parts meiosis I and meiosis II. In the later part that is meiosis II is characterized by forming four haploid gametes by separating the sister chromatids in the two daughter cell.
Crossing over takes place in meiosis I that leads to recombination and reduces the chromosome number from diploid to haploid homologous chromosomes and then enters into meiosis II.
explain the difference between absorption and transmission of light
Answer:
Absorption is the transformation of radiant power to another type of energy, usually heat, by interaction with matter. The transmittance t of a medium is defined by the ratio of transmitted radiant power to incident radiant power.
Explanation:
Have a nice day! :D
What term describes the length of one complete wave cycle?
Answer: One Wavelength
The second law of thermodynamics states that entropy of a system tends to
Explanation:
The second law of thermodynamics states that the total entropy of a system either increases or remains constant in any spontaneous process; it never decreases. ... Heat cannot transfer energy spontaneously from colder to hotter, because the entropy of the overall system would decrease.
Describe TWO environmental consequences, other than those related to the loss of boreal forest habitat, that result from the extraction of bitumen or the transportation of synthetic oil to customers.
Answer: The greenhouse gas emissions from the extraction of bitumen and the use of large quantities of water.
Explanation:
Bitumen is a natural flammable organic matter formed from kerogen in the process of petroleum generation, which is soluble in carbon disulfide. Asphalt and mineral wax are examples of hydrocarbons which are part of bitumen. Conventional oil is extracted by wells while oil sands deposits are extracted using surface mining sectioning techniques, or are flowed to wells by in situ techniques that reduce bitumen viscosity by steam and/or solvents. So, unlike crude oil extracted in oil wells, bitumen requires an open-pit mining operation, in which large tracts are washed with a mixture of water and chemicals to separate the bitumen from a mixture of sand and clay.
Two consequences of this practice are:
The greenhouse gas emissions from the extraction of bitumen are larger than the extraction of conventional oil. The emissions produced contribute to enhance the greenhouse effect and cause global warming. The greenhouse effect occurs when certain gases retain part of the energy emitted by the earth's soil when heated by the sun's radiation. This phenomenon occurs naturally, and thanks to it, the average temperature of the Earth is about 14º C (57.2 °F). The problem occurs when these greenhouse gases increase in the atmosphere and the amount of energy that is not released into space also increases and, with it, the Earth's temperature. The extraction of bitumen from oil sands requires the use of large quantities of water, and even though water used here can be recycled, only a small amounts is returned to the natural cycle. Also, spills from the transportation of the oil could damage soils and waterways, increasing water pollution. This toxic water could get into surface.When the proctor was handing out this test, you noticed that your respiration rate and heartbeat increased, your palms got sweaty, and your hand shook a little. Your pre-test behaviors were triggered by the:
Why does the author include the example of the Virginia northern flying squirrel?
To highlight the diversity of wildlife in the region
To contrast it with other more common species of squirrel
To demonstrate that protecting endangered species can be effective
To emphasize the importance of this species of squirrel in the ecosystem
Answer: The correct answer is To demonstrate that protecting endangered species can be effective
Explanation: The Unit text pointed out how the flying squirrel population had risen from 10 to over 1100, taking it off the endangered species list and proving that the methods were effective.
a. What is the recombination frequency of the genes R and S if Q and S have the highest recombination frequency?
Which cloud is found ahead of a cold front, but behind the warm front?
Answer:
I believe it's cirrus clouds.
Explanation:
Purple flowers are an example of incomplete dominance between blue (B) and red (R) flowers. A purple flower is bred together with a red flower. What are the genotype percentages of their offspring?
Answer:
Purple = BR
Red = RR
B R
R BR RR
R BR RR
50% BR, 50% RR
PLEASE ANSWER! 100 POINTS!
Which of the statements below is true about osmosis?
a. As the universal solvent, water loves dissolving solutes and will always go to a hypertonic area.
or
b. As the universal solvent, water loves dissolving solutes and will always go to a hypotonic area.
The syntenic genes B and T are linked. A cross between two parents, with genotypes BBtt and bbTT, produces F1 progeny with the BbTt genotype. What are the possible arrangements of alleles on the F1 progeny's chromosomes
Answer: options related to your question attached below
answer : Bt/bT
Explanation:
Determine the Possible arrangements of alleles on the F1 progeny's chromosomes
Parents : BBtt and bbTT
when BBtt and bbTT crosses ( i.e. BBtt * bbTT )
BBtt * bbTT ( parents crossing )
= Bt/bT ( possible arrangement )
What type of mutation occurs when a stop codon replaces an amino acid codon
Fruits grown in hot climates are usually less sweet than those grown in cooler temperatures. The high temperatures increase the rate of respiration in the plants, thus reducing the sugar content in some fruits. Why does increased respiration in the leaves and stems reduce the sugar content in the fruits of a plant
Answer:
The correct answer is - Sugars produced in the leaves are used as an energy source instead of being stored in fruits.
Explanation:
The high temperature in climate leads to an increase in the respiration rate in the plants so they require more energy in the process.
They produce sugars in the leaves which leads to a decrease in the sugar content in the fruit as energy is the primary focus in such situation to survive in high temperatures.
What has constantly changing amount of salt in the water
Answer:
estuary
hope this helps
have a good day :)
Explanation:
Why do organisms need both mitosis and meiosis to process?
Explanation:
Both mitosis and meiosis processes are extremely important because they are the division of chromosomes and without this division reproduction would not occur. Cell division plays an important role in the life cycle of a cell allowing the cell to grow, develop and then reproduce.
Mitosis and meiosis are cell divisions that are needed by organisms because of its importance to them.
Mitosis is a type of cell division where by a single cell divides to form two identical daughter cells.
The importance of mitosis to organisms include:
They help in repairing the damaged cells,They help in growth and development of organisms.Meiosis is a type of cell division where by a single cell divides two times to produce four cells.
These four cells contain half the original amount of genetic information of the divided cell.
The importance of meiosis to organisms include:
It ensures the possibility of sexual reproduction in organismsIt leads to production of genetic variation in organisms.Therefore due to the importance of meiosis and mitosis listed above, they are needs to organisms.
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Which of these organisms will be hunted more often by predators when the corn is infected by fungus?
A. Grass
B. Owl
C. Rabbit
D. Snake
Answer:
A. Grass
Explanation:
In their natural habitat, organisms feed on one another in a relationship called PREDATION. Predation involves two organisms; one called the PREDATOR (the organism that eats) and the other PREY (the organism being eaten).
Organisms preying on one organism will naturally opt for a substitute once the previous prey is no longer accesible. This is the case of a fungus-infected corn that is no longer edible for predators. Hence, the predators will hunt similar feed, which is GRASS in this case.
I Need help please giving BRAINLIST and a like a 15 points
Which organ systems
contain the liver list 4
PLEASE HELP WITH BIOLOGY!! WILL GIVE BRAIN!!
Answer:
RR
Explanation: Two of the same alleles, and R=red
I need help
Claim: Yellow color is always an adaptive trait in a yellow environment.
Do you agree or disagree with this claim?
Yellow color is always an adaptive trait in a yellow environment I agree with this claim.
What is adaptive trait?Adaptive trait is defined as an element of the developmental pattern that makes it easier for its carrier to survive and/or reproduce in a succession of different situations.
Any heritable characteristic that enables a plant or animal to survive and procreate in its environment is referred to as an adaptation.
The process of modifying behavior, physiology, or structure to make it more suitable to an environment is known as adaptation.
It might also be described as the condition that a biological population has achieved after enduring modifications or changes.
There are three types of adaptive traits.
StructuralPhysiologicalBehavioralThus, yellow color is always an adaptive trait in a yellow environment I agree with this claim.
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