Factors Affecting Population Size

1.

Multiple Choice

1 min

1 pt

All the organisms of the same species that live in the same area are called a ______.

Group

Population

Herd

Cluster

2.

Multiple Choice

30 sec

1 pt

Ecologists measure the health of a population by its size and how quickly it is growing. True or False?

True

False

3.

Multiple Choice

30 sec

1 pt

A factor or factors that can affect species distribution is/are ____.

Predation

Disease

Competition

All of the above

4.

Multiple Choice

30 sec

1 pt

The population size is the number of individuals in a population.

True

False

5.

Multiple Choice

30 sec

1 pt

Populations of different species in a particular area make up a community. True or False?

True

False

6.

Multiple Choice

1 min

1 pt

The average number of individuals per unit of area or volume is called ______.

Population size

Population systematics

Population density

Population distribution

7.

Multiple Choice

30 sec

1 pt

If birth rate plus immigration exceeds death rate plus emigration, a population _______.

grows

declines

stays the same

none of the above

8.

Multiple Choice

30 sec

1 pt

The ______ rate of a population is the change in the population size per member of the population per unit of time.

death

growth

birth

logistic

9.

Multiple Choice

30 sec

1 pt

Emigration is the movement of individuals ______ a population.

into

out of

10.

Multiple Choice

30 sec

1 pt

A friend of yours believes that predators are extremely detrimental (bad) for ecosystems and that the ecosystem would be better off without them. You should

disagree

agree

tell on them

unfriend them indefinitely

11.

Multiple Choice

30 sec

1 pt

Predation is the relationship in which members of one species consume members of another species.

True

False

12.

Multiple Choice

30 sec

1 pt

All biomes have populations of interacting species.

True

False

13.

Multiple Choice

30 sec

1 pt

The lion is the natural predator of the zebra. If the zebra population drops, the lion population will most likely

drop

thrive

be unaffected

decrease, then increase exponentially

14.

Multiple Choice

30 sec

1 pt

_______ is a relationship between organisms that strive for the same limited resources

Predation

Competition

Carrying capacity

Parasitism

15.

Multiple Choice

30 sec

1 pt

Organisms may compete for which of the following resources?

mates

food

territory

all of the above

16.

Multiple Choice

30 sec

1 pt

The maximum number of individuals that a particular environment can support is called _______.

community

survivorship

biotic potential

carrying capacity

17.

Multiple Choice

30 sec

1 pt

Under ideal conditions with unlimited resources, a population will have ________.

linguistic growth

experimental growth

exponential growth

logistic growth

18.

Multiple Choice

30 sec

1 pt

If you increase the population size and decrease the area the population lives in, the population density will become

less dense

more dense

be unaffected

19.

Multiple Choice

30 sec

1 pt

As resources become less available, the growth of a population slows or stops. This is called ________.

biotic potential

exponential growth

logistic growth

survival of the fittest

20.

Multiple Choice

30 sec

1 pt

Abiotic factors include all living organisms within an ecosystem

True

False

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