Answer:
pollution affects ecologist job by giving him something to work with
Explanation:
whether it be restoration or simply studying an ecosystem, however don't confuse this with benefitting him because he is probably not happy about it.
The amount of population change due to immigration or emigration
Organisms gradually change the environment
Gametophytes produce cells that undergo mitosis to produce gametes that fuse to form a zygote.
A change in DNA could result in a changed sequence by the amount of atoms and chemicals in the DNA
