NGSS.MS-LS2-3

An organism that lives by breaking apart dead organic matter into simpler parts is...

• scavenger
• consumer
• decomposer
• carnivore

Tags

NGSS.MS-LS2-3

A connection of food chains with many food energy paths in an ecosystem is a ____________

• ecosystem
• food web
• environment

Tags

NGSS.MS-LS2-3

Which of the following represents the correct flow of energy in a food chain found within the food web?

• Water lily - insect - frog - turtle
• Algae - insect - frog - fish - heron
• Heron - frog - insect - algae
• Cattail - insect - fish - turtle - heron

Tags

NGSS.MS-LS2-3

This biome is found around the equator and is home to a large amount of biodiversity.

• Deserts
• Tropical Rain Forests
• Savannas
• Chaparral 

Tags

NGSS.MS-LS2-3

How much energy is passed on to the next trophic level?

• 100%
• 10%
• 1%
• 0%

Tags

NGSS.MS-LS2-3

An energy pyramid is pictured.

Which statement best explains the flow of energy as it moves through the different levels?

• Energy decreases as it is lost as heat to the environment.
• Energy increases as it is gained from the environment.
• Energy is unavailable because it is used up by the organisms at Level 1.
• Energy is transferred as it is produced by organisms in the next level.

Tags

NGSS.MS-LS2-3

ALL energy flow for an ecosystem begins with ...

• plants
• the moon
• the sun
• algae

Tags

NGSS.MS-LS2-3

Organisms that break down dead animals and plants and their wastes are known as ______.

• scavengers
• autotrophs
• bacteria
• decomposers

Tags

NGSS.MS-LS2-3

If these organisms were arranged in a food pyramid, which organism would have the least amount of total energy available?

• coyote
• insect
• lizard
• shrub

Tags

NGSS.MS-LS2-3

The cycling of matter is important because

• Matter can be created and destroyed
• Only a limited amount of matter is available so it has to be recycled
• Matter can only be found in a solution
• Bacteria use matter to convert organisms into solar energy

Tags

NGSS.MS-LS2-3