The competitive exclusion principle states that two species cannot occupy the same niche. When two species compete for the same habitat and resources, the end result is that one species eliminates the other.
A) a temperature is regulated by the body: so, not.
b) - rather not, most likely cholesterol level would be low
c) this is rather intedependent - a person can be active even without a fat diet.
d) I think this is the best answer. Metabolism is the exchange of energy in food into the energy that people use.
The amount of water vapor in the air is calledrelative humidity
D. The pathogen had been weakened
