2. High birth rate, zero death rate, high immigration, zero emigration
This is because birth rate and immigration increase population size, and death rate and emigration decrease population size, so maximizing the former and minimizing the latter are ideal
Answer:
Plants have cell walls, mammals have cell membranes.
The root word of Unicellular already tells you the answer. Uni means only one cell. So the answer is one cell.
Answer:
colder, rich in nutrients
Explanation:
fertilizes surface waters meaning they have high biological productivity