Answer:
Altruism is a form of prosocial behavior, which is used to describe a person who is helping someone with no intention of having any internal or external reward in return. Some psychologists suggest that altruism is a key motivation for prosocial behavior.
The fly would no longer exist and all popuations will cease in their value
Answer:
Ovoviviparous
Explanation:
Embryos develop inside the mother's body using an egg yolk for nourishment is a mode of reproduction called ovoviviparity.
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Answer:
tolerance
Explanation:
the tropical Forrest is very tolerant to the fire because it can hold it off for a while die to the moisture, but its tolerance slowly decreases when more fire is added because it cant withstand it