7th Grade Ecosystems

What represents the flow of energy in this food chain?

• arrows

• the sun

• producers

• consumers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which symbol shows a community in this model?

• 
• 
• 
• 

Tags

NGSS.MS-LS2-2

What is the source of energy for this ecosystem?

• rocks

• carbon dioxide

• sun

• oxygen

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Sun, oxygen, rocks, and carbon dioxide are non-living factors known as what?

• biotic

• abiotic

• decomposers

• toads

Tags

NGSS.MS-LS2-3

A white-tailed deer eats grasses and other plant parts. What is the energy role of the whit-tailed deer?

• carnivore

• herbivore

• omnivore

• decomposer

Tags

NGSS.MS-LS2-3

An Alaskan brown bear eats wild berries, leaves, fish, and small rodents. What is the energy role of the Alaskan brown bear?

• carnivore

• herbivore

• omnivore

• decomposer

An African lion eats antelope and other grazing animals. What is the energy role of the African lion?

• carnivore

• herbivore

• omnivore

• decomposer

A shelf fungus absorbs nutrients from the wood of dead trees. What is the energy role of the shelf fungus?

• carnivore

• herbivore

• omnivore

• decomposer

Tags

NGSS.MS-LS2-3

The Law of Conservation of Energy states that energy cannot be created or destroyed, but energy can change

• its total mass

• its total volume

• from one form to another

• from one state of matter to another

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

All of the plants and animals living in the same area make up a

• population

• species

• habitat

• community