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ExtremeBDS [4]
3 years ago
8

Why are beavers a keystone pecies

Biology
1 answer:
oee [108]3 years ago
7 0
They construct dams and create an ecosystem for other species . Because of their dam building nests become available for birds, fish population increases and waterfowl population goes up
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____keep most populations in their natural habitat at a population size somewhere between extinction and overrunning the ecosyst
valina [46]

Answer:

limiting factors

Explanation:

The ecological optimum represents the value of the factors within the ecological valence at which the life processes of a species take place best. The upper and lower limits of an ecological valence are its maximum and minimum. Beyond these limits, physiological processes are interrupted and death occurs.

6 0
2 years ago
Which phylum of fungi consists of de composers that utilize flagellated spores
Alla [95]
The answer is <span>Chytridomycota.</span>
4 0
3 years ago
Air pressure is ___________, when lung volume is___________.
nexus9112 [7]
Air pressure (inside the lungs) is lowest when lung volume is highest, so the answer is B. when you breathe in your lungs expand, which makes the air molecules spread out, therefore the pressure is lower.
6 0
3 years ago
Read 2 more answers
When there is not enough carbon dioxide in a plant, a process called photorespiration may occur. This process uses the excess ox
sergiy2304 [10]

A prolonged period of photorespiration would affect a plant, giving a significant evolutionary advantage to plant species in dry climates.

<h3>What is the difference between photorespiration and respiration?</h3>

One of the basic differences between photorespiration and respiration concerns the effect of O2 on the two processes. Respiration saturates when O2 reaches approximately 2%, while photorespiration does not reach saturation in a pure O2 atmosphere.

<h3>Under what conditions does photorespiration occur?</h3>

Photorespiration is an expensive metabolic pathway that occurs when the Calvin Cycle enzyme rubisco acts on oxygen instead of carbon dioxide.

With this information, we can conclude that A prolonged period of photorespiration would affect a plant, giving a significant evolutionary advantage to plant species in dry climates.

Learn more about photorespiration in brainly.com/question/13433623

#SPJ1

5 0
1 year ago
The one-toed horse of today steadily evolved from its five-toed ancestor.​
Vesnalui [34]

Answer:

It is true that one-toed horse of today steadily evolved from its five-toed ancestor.​

Explanation:

  • Evolution is the law of nature.There is a continuous process of evolution in each biological species in nature.
  • Similarly, horses had 5 toes millions of year back, but according to the theory of gradualism their use decreased and toes started fusing.
  • Now, its only one toe at present but the vestigial left over provides the solid evidence for the fact that horses had 5 toes in the past.
6 0
3 years ago
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