Ecology and Population Dynamics — Multiple Choice

Ecology

• is the study of plants and how they interact with animals.

• is the study of the environment and natural resources.

• is the study of all life on Planet Earth.

• is the study of interactions between organisms and their environment.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-2

Populations are best defined as

• all organisms found in an environment.

• non-breeding organisms living in the same area.

• families of non-related species.

• groups of interbreeding species.

Tags

NGSS.MS-LS4-4

Tropical rainforests are known for

• their low diversity relative to other forests.

• their lack of seasonal rainfall.

• their rich and fertile soils.

• their high diversity and warm temperatures.

Tags

NGSS.MS-LS2-5

The maximum number of individuals that a habitat can support indefinitely is the habitat's

• carrying capacity.

• environmental factor.

• reproductive capacity.

• symbiotic factor.

Density-independent factors include

• Volcanoes.

• Floods.

• Earthquakes.

• All of these.

Tags

NGSS.MS-ESS3-2

Lice, fleas, mosquitos, and ticks and their relationship with mammals is an example of what type of relationship?

• Parasitism

• Commensalism

• Mutualism

• Predator-prey relationship

How much energy is lost when moving from the first to the second trophic level?

• 10%

• 90%

• 1%

• 100%

Tags

NGSS.MS-LS2-3

The relationship where one organism benefits and the other is neither helped or hurt is called _______.

• mutualism

• commensalism

• parasitism

• competition

The relationship shown above where the bird gets free food while the flower is pollinated is called _______.

• parasitism

• mutualism

• commensalism

• competition

Tags

NGSS.MS-LS2-2

Which of the following usually results when the niches of different species overlap?

• competition

• commensalism

• nothing happens

• environmental resistance