Yes the weaker it is the more easy it is to prey on
Answer: ozone concentration
Explanation: The Dobson Unit is the most common unit for measuring ozone concentration. Becuse ozone concentration is hard to measure they use The Dobson Unit.
Answer:
Species could go extinct when their environment changed if they could not adapt to the change.
Answer:
c
Explanation:
Most DNA is located in the cell nucleus (where it is called nuclear DNA)