Why are certain traits adaptations in one environment, but not in another?
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a. organisms can learn new adaptations.
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b. some environments cause more mutations than others.
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c. different environments have different abiotic conditions.
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d. all environments have the same amount of competition.

answer:

c

explanation:

≅200-130 milions years ago pangea splited in 2 continents

endo:

regulates body hormones, aldosterone, vasopressin

neural:

signal, regulates body using electric signals, reflex

endo has to do with hormones; aldosterone and vasopressin are both hormones. i also had this question and got it right : d