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Alexeev081 [22]
3 years ago
9

Suppose that human activities, such as hunting, drastically reduce the populations of the wolves, coyotes, and foxes. Which stat

ement best explains a likely change to the hawk population?
Biology
1 answer:
MariettaO [177]3 years ago
7 0

the decrease or increase i cant really look it up rk this is really important to somone that i answer


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1. Which grouping in the animal kingdom is the only one that contains organisms with vertebrae?
harkovskaia [24]

Vertebrata

Vertebrata is a group that contains various organisms which possess vertebrae (backbones). Animals that belong to the group are called vertebrates, and they include mammals, birds, fish, amphibians, and reptiles. The backbones in the animals extends from the head to the tail, and it encloses and protects the main nerve cord. The body of vertebrates is divided into trunk, and tail regions. They also possess a unique tube shaped brain, a distinct head, and three pairs of sense organs.



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2 years ago
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What is a living cell? ​
Diano4ka-milaya [45]

Answer:

Though they are often debated, there are eight main characteristics that define a cell as living.

The first is genetic code. All living things contain DNA, which is like the instruction manual for life. DNA is contained in each cell, and passed from parent to offspring.

The second is growth and development. Whether by creating more cells or creating more organelles within the cell, all living things grow and develop.

The third characteristic is reproduction. Reproduction can be sexual or asexual, but in the case of single cells, it is asexual.

The fourth characteristic is response. All living things, including cells, react to external stimuli, such as temperature or salinity.

The fifth characteristic is homeostasis. Homeostasis is the condition by which living things maintain a stable internal environment in the midst of an ever-changing external environment.

The last three characteristics go hand in hand, and are sometimes combined, but in my mind they are distinctly separate.

Sixth is consumption, which is taking in food and other materials. A cell specifically takes in molecules such as water or glucose during consumption.

Seventh is metabolism, which is using materials consumed in order to create energy. Living cells use enzymes to break down materials to produce ATP (adenosine triphosphate), which is usable energy.

Finally, all living cells undergo excretion in some form. Some examples in cells include exocytosis and osmosis.

These 8 characteristics, though often controversial, determine a cell as living.

7 0
2 years ago
1. Where is potential energy in a car kept?
valkas [14]

Answer: The gasoline

Explanation: Gasoline is potential chemical energy because it is only used when the car is in use. It becomes kinetic when the car is on.

3 0
3 years ago
What happens when there is a temperature difference between two objects
agasfer [191]

Hey there!

If there is a temperature difference between two objects, the object that has a higher temperature will want to level out its heat. Therefore, it will transfer the heat it needs to the other object if it allows until they are the same temperature.

I hope this helps!

7 0
3 years ago
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Phenylketonuria (PKU) is a disease in humans where the function of the enzyme phenylalanine hydroxylase is impaired by mutation
Murljashka [212]

Pleiotropy refers to the phenomenon of a single gene affecting multiple traits. Phenylketonuria is an example of Pleiotropy.

<h3>What is Pleiotropy?</h3>

The production of diverse effects, especially the production by a single gene of several distinct and seemingly unrelated phenotypic effects known as pleiotropy.

Phenylketonuria, generally known as PKU, is a rare hereditary condition that results in an accumulation of the amino acid phenylalanine in the body. The phenylalanine hydroxylase (PAH) gene is altered in PKU. The enzyme required to degrade phenylalanine is produced in part because of this gene. PKU can be seen to behave as a 'complex' trait.

Only 11.1 percent of MHP patients were homozygous, compared to 58.4 percent of individuals with classic PKU. Individuals with mild PKU had a compound heterozygous rate of 72.5% compared to only 35.1% in patients with classic PKU.

Learn more about pleiotropy here:

brainly.com/question/2088690

#SPJ4

4 0
1 year ago
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