The size of a population can get smaller with no influences from migration if birthrate or death rate A. increases decreases
B. decreases; increases
C. levels off; increases
D. increases, levels off

it should be B. decreases increases

Explanation:

Birthrate and death rate- if more animals are born than die then the population will grow but if more animals die than are born then it will shrink

i hope this helped

helen told me that she hoped i had enjoyed myself.

b. 20: 5

explanation:

20% of the worlds population lives in southwest asia, and less than 5% of the world's

land area.