Ecosystems Summative Review

What is the name for organisms in a food web that decompose materials and recycle wastes?

• Producers

• Decomposers

• First-Order Consumers

• Tertiary Consumers

Tags

NGSS.MS-LS2-3

What is the original source of energy for any ecosystem?

• Ducks

• Soil

• The sun

• The consumers

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Herbivores, or organisms that only eat producers, are also known as what order of consumer in a food web?

• Decomposers

• Third order

• Second order

• First order

Tags

NGSS.MS-LS2-3

In this food web, where is energy transferred directly from grasses to?

• Rabbit, mouse, and grasshopper

• Only mouse

• Frog and bird

• Only rabbit

Tags

NGSS.MS-LS2-3

In this food web, where is the energy from grasshoppers transferred directly to?

• Only frog

• Only bird

• Grasses

• Frog and bird

Tags

NGSS.MS-LS2-3

In this food web, where does the hawk get its energy directly from?

• Only snake

• Rabbit, mouse, and snake

• Fox and snake

• Owl, frog, and grasshopper

Tags

NGSS.MS-LS2-3

Select the BEST two reasons for why the energy pyramid is larger at the bottom than at the top.

• As you move up the pyramid, the amount of available energy decreases

• Some energy is lost to the environment as heat at each level, making the top smaller

• There are fewer organisms at the bottom of the pyramid

• The bottom of the pyramid has the least food and/or energy

Tags

NGSS.MS-LS2-3

Organisms are classified as producers if they are able to do what?

• remove oxygen from the air

• remove microbes from the soil

• make their own food

• make carbon dioxide

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

All of the living AND nonliving things in an area is known as an:

(a)  

All of the white-tailed rabbits that live in an area are known as a: (population or community)

(a)