Quiz Review (ecosystem ecology week12)

The North Cascades National Park is made up of which TWO biomes?

• arctic tundra

• temperate rain forest

• temperate deciduous forest

• temperate coniferous forest

Define "community" as it relates to ecosystem ecology

• Organisms interacting with abiotic and biotic factors.

• A group of individuals of the same species interacting with each other and their environment.

• Populations of different species that interact with each other within an ecosystem.

Choose the BEST option to describe this picture

• Trophic pyramid

• Trophic cascade

• Indirect interaction

• herbivore

Choose the BEST options to describe the picture

• Ecosystem

• Biotic interactions

• Energy pyramid

• Food web

Choose the BEST option to describe this picture

• Energy cascade

• Energy pyramid

• Species relationships

• energy = food

Choose the options that describes the energy transfer rate up the levels of a trophic (energy) pyramid.

• Energy increases by 90 percent at each level

• Energy decreases by 90 percent at each level

• Energy is transferred evenly up each level

Biomagnification is the increased concentration of toxins in the tissues of organisms at higher trophic levels on the energy pyramid.

• True

• False

Biomagnification increases by a factor of ten as you move up the levels of the energy pyramid.

• True

• False

The amount of energy transferred to consumers as you move up the trophic pyramid _________________ and the amount of toxins ________________.

• Increases, decreases

• Decreases, decreases

• Increases, increases

• Decreases, increases

Biomagnification and energy transfer are two separate processes.

• True

• True