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Fofino [41]
3 years ago
5

Describe four factors that affect population size

Biology
1 answer:
strojnjashka [21]3 years ago
4 0
Fertility Rate

Mortality Rate

Immigration

Emigration <span />
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A certain species of seed-eating bird lives on a remote island. Many young have recently been born with shorter beaks that can c
fredd [130]

Answer:

C)

Explanation:

The beaks are in direct correlation with the type of or amount of food they are consuming.

4 0
3 years ago
In the food pyramid, the greatest biomass appears at the level of A) Birds and Mammals. B) Insects and Zooplankton. C) Phytoplan
Romashka [77]
I think the answer should be:<span>D) Small Fish and other Aquatic Species
</span><span>
In food pyramid, the biomass will be much lower in the higher level. In general, every level will have lower of mass/energy compared to the level below. Then, the greatest biomass should be found in the producer class. High-level consumer like bird or mammals should have the lowest mass. 
But it was inverted in aquatic, producer become the lowest mass so phytoplankton and zooplankton must be lowest. You should be able to exclude option A and C so it is either option B or D. Since B has zooplankton, I prefer to choose D
</span>
6 0
3 years ago
Read 2 more answers
In which list are the levels of organization in the human digestive system shown from lowest to highest?
horsena [70]

Answer: I believe it would be A: epithelial cell, intestinal lining, intestine, digestive system, human body.

Hope this helps!!

8 0
3 years ago
Read 2 more answers
behavioral physiologist is studying the homeostatic control of blood pH. In a trial, a lizard runs on a treadmill for a set amou
tia_tia [17]

Answer:

sensor

Explanation:

Homeostasis refers to the ability of an organism to maintain the internal conditions of the body irrespective of the external conditions.

The homeostasis is maintained by the homeostatic mechanism which involves the 3 components which are the receptor or sensor, the integrating centre and the effector or organ.

In the given question, the peripheral chemoreceptors measures and sense the pH of the blood therefore the peripheral chemoreceptor will be considered as the "sensor component" of the homeostatic mechanism.

Thus, the sensor is the correct answer.

6 0
3 years ago
Muscle action can be voluntary or involuntary, explain what that means and give an example of each?
Sholpan [36]
Voluntary have control of your movement and involuntary unable to control your movement

example: - voluntary- raising your hand when the teacher ask a question
- involuntary - your hand hit somebody accidentally without your knowledge spasms
5 0
3 years ago
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