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Arturiano [62]
2 years ago
7

A student is learning about the functions of leukocytes. What statements about these cells are correct

Biology
1 answer:
Ksivusya [100]2 years ago
8 0
<h2>What are leukocytes?</h2>

Leukocytes are colorless cells that circulate in the blood and belongs to the body's immune system and helps the body fight infections and other diseases.

<h2>What is their function?</h2>

Leukocytes are responsible for fighting other diseases and protecting your body from infections. Since they are part of the immune system, leukocytes circulate your blood and help cure injuries or illness.

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Some methods of determining the size of population are direct and indirect observations, sampling, and mark-and-recapture studies .

Sampling - Done by counting the animals in a small area and then estimating how many are in the larger area. You go out and take samples from different places so you can take the average. In most cases, it is not possible to count every member of a population so an estimate is made.

Mark and recapture - Another estimating method is a technique called "mark and recapture." This technique gets its name because some animals are first captured, marked, and released into the environment. Then another group of animals is captured. The number of marked animals in this second group indicates the population size.

Indirect observation - The members of a population may be small or hard to find. It may be easier to observe their tracks or other signs rather than the organisms themselves.

Direct observation - The most obvious way to determine the size of a population is to count, one by one.


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