Final Review 2

A group of individuals that interbreed and produce fertile offspring is a common definition for

• ecology.

• species.

• population.

• community.

Which of the following includes only biotic factors?

• ecosystem

• habitat

• biosphere

• population

Which of the following describes a population that is distributed evenly across an area?

• random

• uniform

• clumped

• crowded

Which of the following describes a population that is distributed evenly across an area?

• random

• uniform

• clumped

• crowded

Which of the following is NOT included in a typical age structure diagram?

• the population's sex ratio

• the relative numbers of people in different age groups

• the population's historical growth

• the proportion of reproductive-aged individuals

Which of the following equations summarizes population growth?

• immigration - emigration

• (immigration + births) + (emigration + deaths)

• births-deaths

• (immigration + births) - (emigration + deaths)

The largest population size a given environment can sustainably support is known as its

• limiting capacity.

• logistic limit.

• carrying capacity.

• biotic potential.

The most common population distribution in nature is:

• clumped

• organized

• uniform

What is the term scientists use to describe how reproductively successful an organism is in its environment?

• adaptation

• fitness

• speciation

• evolution

"Everything an organism does and when it does it" describes an organism's

• tolerance.

• community.

• character displacement.

• niche.