BW ET Pre AP Bio Pop growth

The term ecologists use to describe the number of individuals moving away from a population is

• Emigration

• Immigration

The term ecologists use to describe the number of individuals moving into a population is

• Emigration

• Immigration

The number of births compared to the total number of people in a population

• death rate
• birth rate
• baby boom
• doubling time

If the number of births is greater than the number of deaths in a population, what will happen to the growth of the population?

• It will increase.
• It will decrease.
• It will stay the same.
• It will fluctuate.

Factors that affect population size:

INCREASE: Number of ___________ & ____________

(Choose 2 answers)

• Birth

• Death

• Immigration

• Emigration

Factors that affect population size:

DECREASE: Number of ___________ & ____________

Choose all that applies.

• Birth

• Death

• Immigration

• Emigration

What is this graph illustrating?

• A population will go extinct once it reaches its carrying capacity

• A population starts off at its carrying capacity, but then grow exponentially

• A population will start to grow quickly, but then growth will slow as the population reaches its carrying capacity

• A population will grow, but then decrease sharply once it reaches its carrying capacity