The best answer would be "research reasons why species change over long periods of time"
if not i apologize but this is my best guess<span />
Answer:
that the ground is damiged and there ar no new seeds
Explanation:
Enzymes bind with chemical reactants called substrates. There may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. In some reactions, a single-reactant substrate is broken down into multiple products. ... The enzyme's active site binds to the substrate.
Answer
Light intensity increases also, but it gets to a point that the temperature increases and denature the enzymes involved so a plateau results.
