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.
True. taking the stairs instead of the elevator can add physical minutes to your day
Answer:
If you are in a bad physical state, for example, you broke your ankle, then you wouldn't be able to exercise. If you were depressed, then you wouldn't want to exercise and you could hurt yourself. And if you were just broken up with then all you would want to do is eat ice cream or lay in bed all day. But if you do exercise then you could hurt yourself because youre not focused on what you are doing.
Explanation:
A is the answer. If you need more help, please visit www.jishka.com!!
<span>The answer to this question is B embryo.</span>