I think the answer is source of influence
An indicator species is an organism whose presence, absence or abundance reflects a specific environmental condition. Indicator species can signal a change in the biological condition of a particular ecosystem, and thus may be used as a proxy to diagnose the health of an ecosystem.
Your answer should be heart issues (D).
Muscle damage and tendon rupture are usually injuries that result from physical movement. Liver abnormalities are more common in alcoholics.
The normal function of a gene is to __________.
A.
encode a protein
