Answer: B
Explanation: because birth and immigration is making the group bigger zero deaths and animals leaving
Answer:
The entire population will gradually become more similar to the best-adapted members.
Explanation:
Natural selection will cause the best-adapted members to have a better chance of survival and repopulation.
Answer:
It will eventually become unsustainable because of factors like food, water, space, etc.
Stephen Crane was both a novelist and a C. reporter, although he left that other job and became a full time writer.
Answer: mercury (i think)