1. natural selection acts on existing traits because you can not evolve into something you didn't have
2. original structures evolve to accomplish new function in order to survive
Hey there!
Here is a simple food chain:
Grass >>> Grasshopper >>> Mouse >>> Owl
Hope this helps!
~Autumly
The answer is A.the site on an enzyme where the substrate binds
Answer:
by by STAFF AUTHOR, Most people think you can't get prints from a wet surface, but you can if you use Small Particle Reagent (SPR). SPR is like liquid fingerprinting powder and can be used on non-porous surfaces. Spray SPR onto wet evidence then rinse with water.
Explanation:
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Answer:
The correct option is D) The age-structure diagram would be column-shaped with all age classes approximately equal.
Explanation:
A zero population growth refers to a condition when the birth rate equals to the death rate. Social workers tends to find methods to attain zero population growth as such conditions provide economic stability. As the birth rate and the death rate will be equal hence the age structure diagram of such a population can be seen to be column shaped as they all will be equal.
