How would removing your umbrella in a rainstorm affect your ability to stay dry? The definition of a keystone species is a species that has a crucial role in an ecosystem. Removing one gear from a clock would stop the clock from working. Removing/changing a major contributer to a balance and natural ecosystem can potentially collapse the entire system altogether.
Answer:
0.023%
Explanation:
The Population growth rate is a change in population with time taken into consideration. It can be expressed with the formula
where N is the total change in the population size, and t is time.
When immigration and emigration are factored in, we now have the formula;


A reason to theory should support the theory , and it can be testified also, otherwise it will not be considered as scientific theory.
So according to above explanation
<span>C. testable . . . supported is the correct answer.</span>
Answer:
Jellyfish and the Portuguese man-of-war
Explanation:
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