Answer:
All is in order.......
stimulus is a thing or event that evokes a specific functional reaction in an organ or tissue.
homeostasis is the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes.
Irritability is that characteristic of living organisms in being aware of, and being able to respond to, a stimulus which tends to disturb the steady state or homeostasis which all organisms prefer for maintaining life.
Humans' internal body temperature is a great example of homeostasis. When someone is healthy, their body maintains a temperature close to 98.6 degrees Fahrenheit (37 degrees Celsius). Being warm-blooded creatures, humans can increase or decrease temperature internally to keep it at a desirable level.
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If after studying a population for a trait determined by a single pair of alleles you fi nd that the population is not in equilibrium, what possible reasons might explain the lack of equilibrium
Answer and Explanation:
The criteria for maintaining a Hardy-Weinberg equilibrium are:
Random matings: mating probabilities between individuals with determined genotypes depends on the products of frequencies of those genotypes. No superposed generations: each individual can leave their gametes in the pool only once. No mutations: There is no incorporation into the genetic pool of new gametes originated by mutation of preexistent alleles. No migration: There is no incorporation of gametes originated in another population. Infinite population size: the probabilities of randomly taking an A gamete from the pool are p and the probabilities of taking a B gamete from the pool are q. No natural selection: Each individual has the same surviving and reproducing probabilities as any other, contributing proportionally to the gamete pool.If one of these points does not carry out, then the population under study is not in equilibrium.
If endogamy or exogamy occurs affecting random mating, If genetic drift is going on, the population is not infinite-sized and there are no random matings,If there exist genetic flux, which means that the population is not closed and migration occurs, If natural selection is acting over the population, If there occur mutations,Then the observed allelic and genotypic frequencies are different from the expected ones if the population under study was in H-W equilibrium.
list the four main components of air in their molecular form.
Answer:
Dry air is a mechanical mixture of nitrogen, oxygen, argon and several other gases in minor amounts.
Explanation:
Is a virus a living organism?why?
Answer:
Viruses are not made out of cells, they can't keep themselves in a stable state and they can't make their own energy therefore no.
Explanation:
Answer:
no Viruses are considered to be nonliving
Explanation:
Viruses resemble organisms because they can multiply. They are different because they are not alive: they are not cells, they do not use their own energy to grow or respond to their surroundings.
Which of the following is NOT a true statement regarding macromolecules
The correct option associated with the question is given as follows:
a.All macromolecules are monomers.
b.All macromolecules are polymers made up of smaller units.
c.All macromolecules are created by dehydration reactions.
d.All macromolecules contain carbon.
Answer:
The correct answer is: a. All macromolecules are monomers.
Explanation:
Macromolecules are huge biological molecules made out of thousands of covalently associated atoms. Carbohydrates, lipids, proteins, and nucleic acids are altogether macromolecules. Macromolecules are framed by numerous monomers connecting together, shaping a polymer.
In doing such, monomers discharge water atoms as side products. This kind of reaction is called dehydration reaction, which signifies "to assemble while losing water."
lipids are worked from an alternate arrangement of monomers that look like each other in creation and size. Lipids are not polymers, since they are not made up of monomers.
Which is a part of interphase?
A. Telophase
B. S phase
C. Anaphase
D. Cytokinesis
next question will be 85 points if some on answers this right now
Which is a part of interphase?
A. Telophase
B. S phase
C. Anaphase
D. Cytokinesis
Answer:
S phase
What is cell ? Explain
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Answer:
Cell is the structural and functional unit of life. It contains special parts called cell organelles, which have definite structures and functions.
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Which is an example of foraging as a benefit of social behavior? A blue jay eats birdseed from a bird feeder. Three lions hunt and capture a zebra. Worker bees build a nest and the queen bee lays eggs. A male chimpanzee mates with several different females
Answer:
lions hunt and capture a zebra
Explanation:
in this instance hunting = forging
grasses and clovers make their own food through the process of?
Chemosynthesis
Decomposition
Photosynthesis
Regurgitation
Answer:
Photosynthesis
Explanation:
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Which is a limitation of comparative investigations? a)They give results that are usually not repeatable by other scientists. b)They might show variable relationships that are not actually cause and effect. c)They can usually only be conducted in labs instead of in natural environments. d)They are usually inexpensive, but they do not provide new information.
Answer:
B) they might not show variable relationships that are not actually cause and effect.
Answer:
the correct answer is
-they might not show variable relationships that are not actually cause and effect.
Explanation:
Pasteur disproved spontaneous generation by demonstrating that microorganisms did not grow in broth that was heated in swan-neck flasks and then allowed to sit undisturbed for several days. It was important that he placed the broth in control and experimental flasks before heating rather than transferring the broth to new flasks after heating. Why?
Answer:
See the answer below
Explanation:
It was important for Pasteur to place the broth in the flasks before heating rather than transferring it to new flasks after heating because the new flasks might be a source of contaminants in the form of microorganisms, hence, leading to a biased outcome.
In order to prevent cross-contamination and preserve the integrity of the outcome of the experiment, the broth needed to be placed in the flasks before heating instead of transferring it after heating.
Write some of the special features of feathers
Answer:
Feathers perform a number of functions for a bird:
1) They provide insulation, body temperature of most birds is maintained at around 40 C.
2) Feathers allow for flight.
3) Feathers control what a bird looks like by supplying the bird with colors.
Explanation:
Feathers insulate birds from water and cold temperatures. They may also be plucked to line the nest and provide insulation to the eggs and young. The individual feathers in the wings and tail play important roles in controlling flight. Some species have a crest of feathers on their heads.
Feathers perform some of the functions for a fowl: 1) They offer insulation, the frame temperature of maximum birds is maintained at around 40 C; 2) Feathers allow for flight; 3) Feathers manage what a chook looks as if by way of imparting the chicken with hues.
What is special about birds' feathers?Feathers permit birds to fly, but they also assist them to show off, combining in, living warm, and preserving dry. A few feathers advanced as specialized air foil wing-like shape that produces elevate and drag because of their actions via the air for efficient flight.
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8. Two plants are grown using the same light and pots. One plant is given water that has been microwaved and the other plant is given regular tap water. Their height is measured after 2 weeks. independent and dependent variable
Answer:
Independent variable: water given to the plantsDependent variable: height of each plantExplanation:
The independent and the dependent variables are the two principal factors needed in an experiment.
• Manipulated variable: Refers to all the variables in an experiment that provoke a response in another variable. They are also known as independent variables. The independent variable changes or is controlled and modified in the experiment to analyze how the other variable responds to it. The researcher can change it to see what changes it implies in an object, process, trait, or anything that depends on them, to study its effects on the dependent variable. Usually, the independent variable is represented by the X letter. In the exposed example, the researcher manipulates the water given to the plants. One plant receives water that has been microwaved and the other plant receives regular tap water.
• Responding variable: Refers to the dependant variable. The dependent variable is the one that is being investigated, studied, and measured. It represents a quantity of something which value depends on how the independent variable is modified. A change in the dependent variable might be proportional or inversely proportional to the change in the manipulated variable. It is usually identified by the letter Y. In the exposed example, the dependent variable is the height of each plant after 2 weeks of treatment.
• Controlled variable: Refers to those variables in an experiment that are controlled and have no influence on the results. These variables do not affect the change in the dependent variable values. In the exposed example these are the light and pots.
Answer:
water given to the plants
height of each plant
Explanation:
Does the number of layers of paper affect the amount of water the paper absorbs?
Answer:
Yes
Explanation: The more layers, the more water it absorbs.
Which of the 3 major types of water consumption is the most common worldwide?
Answer:
Hope this helps.
Explanation:
Agriculture is the largest use of water worldwide. A large percentage of water used by agriculture is consumptive water, meaning that the water does not get returned to its source.
why are trees in the rainforest so tall
Trees in the rainforest are so tall because they compete for sunlight. Hope this helps!
Answer:
It’s competition for sunlight. Trees in a dense forest are often tall and thin, as each tree is trying to reach sunlight.
Explanation:
how are decomposers and scavengers beneficial to an ecosystem?
Answer:
Decomposers and scavengers break down dead plants and animals. They also break down the waste (poop) of other organisms. Decomposers are very important for any ecosystem. If they weren't in the ecosystem, the plants would not get essential nutrients, and dead matter and waste would pile up.
Explanation:
Three questions a environmental biologist would ask
Answer:
is this land consistently like this?
what is the annual precipitation rate?
hiw many animals live here?
Explanation:
these are the kinds of questions asked
How does reducing gene flow cause speciation?
Reducing gene flow causes speciation because the species are not allowed to exchange genetic material.
How does reducing gene flow cause speciation?When gene flow is blocked from exchanging between populations, this results in speciation that prevents the populations of the same species to exchange genetic material.
So we can conclude that reducing gene flow causes speciation because the species are not allowed to exchange genetic material.
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what are the similarities between dog and lion in the parts involved in taking food
Fiddler crabs are invertebrates. That means they do not have a backbone (that's made out of vertebrae). Does this mean they don't have a skeleton?
Answer:
they do have skeleton which is called exoskeleton, main component is chitin
Fiddler crabs don't have a skeleton. Instead, they occupy a carapace, a rectangular shell. As they expand, the carapace is absorbed, and a new, larger one is produced.
What are invertebrates?
The paraphyletic group of animals known as invertebrates lacks the notochord-derived vertebral column and does not even develop one. Except for the chordate subphylum, all animals fall within this classification.
To assist remove food from sand, they frequently dine in a watery puddle. Because both of a female's claws are little, she has an advantage over a male in terms of finding and consuming food. Feeding is more challenging for older males due of their main claw.
Therefore, fiddler crabs don't have a skeleton.
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Ellie is visiting the Grand Canyon on her summer vacation. Everyone in her tour group marvels at the different rock layers and colors within the canyon. A lot of them are wondering, "Why do the layers vary in color?” How could Ellie use the scientific inquiry process to find out? Check all that apply.
Answer:
A, C, E
Explanation:
I got it right on edgenuity. This is the only parts that match the process of scientific inquiry.
Which of the following is true regarding the structure of enzymes?
How do grasses enable shrubs to grow?
Answer: Grasses grow and reproduce quickly. They take over the landscape. Over time, these plants improve the soil and a few shrubs can begin to grow.
Would this be correct? If not please correct me
The photo is above please answer thank you.
10 , 3 , 27
add the 5 and the 5 because they are going the same direction.
subtract the 7 from the 10 since they are in opposing directions.
subtract the 12 from the 39 since they are in opposing directions.
Question 2 of 10 which structure is most likely used for motion?
Answer:
It's the picture of the dolphins tale or fin, whatever it's called.
In this case answer B.
Explanation:
The leaf isn't used for motion.
The tail is moved up and down etc.. and creates motion that helps the dolphin swim.
The apple isn't used for motion.
The wolf's eye is used for sight, not motion.
Thus the answer is picture B.
The structure that is most likely used for motion is the tail fin of the fish. The correct option is B.
What is motion?Motion is changing or modifying an object when applying a force. The living body move or locomote with the locomotion organ. These are different types of locomotion organs in different organs.
There are different organs in different animals for locomotion and motion. In humans there are legs, in animals there are paws and in fishes, there are fins, in insects, there are wings and legs.
There is no movement made by the leaf. The dolphin swims with the assistance of its tail, which is moved up and down and in other directions. It is not used to move the apple. The wolf's eye is for sight alone, not for movement.
Thus, the correct option is B. the tail fin of the fish.
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What is the conversion factor from km to ft? If Joe traveled 12 kilometers, how many feet did he travel?
Answer:
39372 ft
Explanation:
Since 3281ft=1 km...
12×3281= 39372This type of biomolecule is responsible for numerous cellular functions including increasing reactions, providing structure for healing, antibodies to fight infection and aiding in transport of substances and sending signals to cells. What is the name of this biomolecule?
Answer:
Proteins
Explanation:
Biomolecules are any organic molecule, meaning they contain carbon and they are produced by cells in living organisms, and they generally aid in the functioning of that living cell. The four major types of biomolecules are carbohydrates, lipids, nucleic acids, and proteins.
Proteins are large biomolecules, as they are also macromolecules.
Proteins are responsible for cellular functions and regulation of the body's tissues and organs.
When we talk about providing structure for healing, then proteins fit perfectly as collagen works on quick healing while immunoglobulin is an example of a protein that fights of harmful organisms.
Ferritin, Hemoglobin is an example of a protein that transports essential molecules from one part of the body to a target organ or destination.
Insulin for example is a protein that sends signals to target organs and is considered very important.
Do you think the increased use of these products raises any concerns?.
Answer:
These cleaning products are no more effective at ... you use antibacterial or antimicrobial cleaning products, ... households do not need antibacterial cleaning products.
Explanation:
Choose all of the physical changes: (There are FOUR) Group of answer choices
tarnish
evaporate
bend
react
melt
explode
dissolve
Answer:
evaporate, bend, melt, dissolve
Explanation: