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dangina [55]
3 years ago
8

What are the four factors demographers look at to determine population size

Biology
1 answer:
ankoles [38]3 years ago
6 0

Sampling

- counting the number of organisms in a small area and multiplying to estimate the number in a larger area

Mark & Recapture

- capture an organism & release it to remix with population. Then recapture some more in that area to determine population size. Formula is as follows: R (marked recaptures) / C (total in second sample) = M (marked initially) / N (total pop. size)

Indirect Observation -

estimating the population size by tracks, nest or other animal signs in an ecosystem.


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Answer:

A.

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4 years ago
Read 2 more answers
Explain the difference between oxidation and digestion.
egoroff_w [7]

The one that is loosing electron is oxidation process and the one that is gaining electron is reduction.

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Reduction and oxidation both occur simultaneously. one is loosing electron and other is gaining. The one that is loosing electron is oxidation process and the one that is gaining electron is reduction.

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7 0
3 years ago
An uncircumcised, 78 year-old male has presented at the clinic complaining that he cannot retract his foreskin over his glans. O
irakobra [83]

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4 0
4 years ago
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