D) increased balsam fir population
Number 1. nucleic acid can be DNA or RNA with both stand for Deoxyribonucleic acid and ribonucleic acid.
Answer: yes it most of the time is
Explanation:
example: an elephants habitat or enviorment is warm and has water for it to drink from and plants to eat (in Africa) and if you were to change its evviorment by making it colder or less water it would be harmful.
example 2: tree frogs native to the amazon rainforest need moisture and bugs to eat, if the enviorment were to be less moist there would be less bugs and not a good habbitatt for the frog , this would be harmful
