Answer:
Because they are specific to certain reactions.
Explanation:
Enzymes are proteins that fold in certain ways that speed up reactions. One enzyme will only speed one reaction or set of reactions.
The true statements are:
Only a fraction of matter consumed at lower trophic levels is transferred to higher trophic levels to produce growth and release energy through cellular respiration.
And
There are fewer organisms at the higher trophic levels of a food web.
These first statement is actually the reason for the second.
drought, smog, flooding, volcanic eruption, blizzards, and pollution
It is d.................hope it helps your welcome
Answer:
Infection occurs when viruses, bacteria, or other microbes enter your body and begin to multiply.
Explanation: