The answers are photosynthesis, respiration, decomposition, natural rock weathering and fossil fuel combustion.
Option C is the basic definition of a species. Can you think of some examples of plants or animals that satisfy A, B, or C that are not the same species?
1) - C) Algae growing on the glass
2) - A) Bacteria that lives in the intestine of a rabbit
3) - D) All the gray squirrels that live in a forest
4) - D) Density
Hope this helps!
The correct answer is <span>b. the stimulus is much larger than normal.
hope this helps you
</span>
