Environments and Ecosystems STAAR Review

A frog has webbed feet, which help it swim. Webbed feet are an example of a(n):

• Learned behavior

• Inherited trait that helps it survive

• Nonliving component

• Decomposed material

Tags

NGSS.MS-LS4-4

NGSS.MS-LS3-1

Animals that get their energy by eating plants are called:

• Producers

• Consumers

• Decomposers

• Herbivores

Tags

NGSS.MS-LS2-3

Which of the following statements about ecosystems is FALSE?

• They can be large, like a desert, or small, like a tide pool.

• They include living organisms and nonliving components.

• All ecosystems have the same types of plants and animals.

• There are interactions between living things and the nonliving environment.

Which of the following statements about inherited traits is FALSE?

• They are passed down from parents to offspring.

• They can be changed through practice.

• They determine characteristics like eye color.

• They help organisms survive in their environment.

Tags

NGSS.MS-LS4-4

A cactus has spines to conserve water in a dry environment. This is an example of a(n):

• Learned behavior

• Inherited trait that helps it survive

• Nonliving component

• Decomposer

Tags

NGSS.MS-LS4-4

NGSS.MS-LS2-1

NGSS.MS-LS1-5

A food chain shows the transfer of energy between organisms. Which of the following correctly represents a simple food chain?

• Grass --> rabbit --> hawk --> decomposers

• Sun --> decomposers --> rabbit --> hawk

• Hawk --> rabbit --> grass --> decomposers

• Decomposers --> grass --> hawk --> rabbit

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

Riding a bicycle is an example of a:

• Learned behavior

• Inherited trait

• Decomposed material

• Fossil

Decomposers are important in an ecosystem because they:

• Produce energy for other organisms

• Break down dead organisms and return nutrients to the environment

• Capture sunlight for photosynthesis

• Are food for herbivores

Tags

NGSS.MS-LS2-3

A sudden increase in the population of rabbits in a field might lead to a decrease in the population of:

• Grass

• Wolves

• Decomposers

• Trees

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-1

NGSS.MS-LS2-4

an organism that eats other organisms (plants and or animals) for food

• consumer

• decomposer

• herbivore

• carnivore