Interdependent Relationships in Ecosystems

What is the correct classification for grass?

• decomposer

• carnivore

• producer

• hervibores

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What would you call the grasshopper in the food chain?

• decomposer

• producers

• herbivores

• carnivores

Tags

NGSS.5-LS2-1

The toad, snake and hawk would all be classified as

• decomposers

• producers

• herbivores

• carnivores

Tags

NGSS.5-LS2-1

The fungi listed in the food chain would be classified as

• decomposers

• producers

• herbivores

• carnivores

Tags

NGSS.5-LS2-1

The snake and toad listed in this food chain would fill what two roles in the chain?

• parasite-host

• predator-prey

• carnivore

• producer-consumer

Tags

NGSS.5-LS2-1

The removal of a predator from a food chain may allow the population of its prey to increase.

• true

• false

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

What are two biotic factors in the ecosystem?

• sand and fish

• flower and fish

• water and mountain

• sun and grass

Tags

NGSS.MS-LS2-4

Which of the following best describes a mutualistic relationship in an ecosystem?

• Both species benefit from the interaction.

• One species benefits while the other is harmed.

• One species benefits while the other is unaffected.

• Both species are harmed by the interaction.

In a forest ecosystem, which of the following is an example of a keystone species?

• Deer

• Wolf

• Rabbit

• Grass

Tags

NGSS.MS-LS2-4

What is the primary role of decomposers in an ecosystem?

• To produce energy through photosynthesis

• To consume primary producers

• To break down dead organic matter

• To compete with herbivores for food

Tags

NGSS.MS-LS2-3