Ecosystems Review

Match the following

• an organism that gains energy by feeding on other organisms

• consumer

• a consumer that feeds on plants only

• omnivore

• a consumer that feeds on plants and animals

• herbivore

• an organism that can make its own food through photosynthesis

• carnivore

• a consumer that feeds on animals only

• producer

Which trophic level contains the most energy in the pyramid?

Tags

NGSS.MS-LS2-3

Which level in the energy pyramid below would represent a third level consumer?

Tags

NGSS.MS-LS2-3

describes the nonliving things in an ecosystem

• Biotic

• Abiotic

• Predator

• Prey

Tags

NGSS.MS-LS2-3

describes the living things in an ecosystem

• Biodiversity

• Ecosystems

• Abiotic

• Biotic

Tags

NGSS.MS-LS2-5

What does a food web represent?

• All connections of energy flow throughout all organisms in a habitat.
• The specific ways that mutualism is carried out.
• A single pathway or energy flow between organisms. 
• How carnivores get their food. 

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

The amount of energy that usually transfers from one trophic level to the next...

• 10%
• 20%
• 80%
• 50%

Tags

NGSS.MS-LS2-3

What is a keystone species?

• A species that is most abundant in an ecosystem.

• A species that plays a critical role in maintaining the structure of an ecological community.

• A species that has no predators in its ecosystem.

• A species that can live in a variety of ecosystems.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What is mutualism?

• Both species benefit

• Neither species benefits

• One species benefits, one is harmed

• One species benefits, one is unaffected

Tags

NGSS.MS-LS2-2

Which of the following is not an example of symbiosis

• Mutualism

• Competition

• Commensalism

• Parasitism