Science 7 unit a sec 2.0

What is the name for the picture?

• the soil cycle

• the rock cycle

• the water cycle

• the carbon cycle

Tags

NGSS.MS-ESS2-4

What is letter C?

• condensation

• evaporation

• precipitation

Tags

NGSS.MS-ESS2-4

What is letter B?

• condensation

• evaporation

• precipitation

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

An organism that gets energy from breaking down dead organisms, non-living material or waste is a(an) ___________.

• producer
• consumer
• decomposer
• autotroph

Tags

NGSS.MS-LS2-3

An animal that gets energy from eating both plants and animals is a(an) _____________.

• herbivore
• carnivore
• omnivore
• autotroph

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

• ecosystem
• food web
• environment
• population

Tags

NGSS.MS-LS2-3

In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?

• 80%
• 90%
• 10%
• 20%

Tags

NGSS.MS-LS2-3

What percentage of energy is passed on to each tropic level?

• 10%
• 50%
• 90%
• 100%

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The arrows in a food chain or web represents what?

• They point to the organism that is being eaten.
• It shows how sunlight flows within an ecosystem.
• They show what direction the energy is flowing between organisms. 
• They represent how water is transferred within a habitat.

Tags

NGSS.MS-LS2-3

Decomposers affect all levels of the food web. 

• True 
• False

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4