Pre-test: Flow of Energy

An organism that makes its own food is called a

• consumer

• producer

• heterotroph

• chloroplast

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

A moose is considered to be a consumer because it

• gets energy by eating other resources

• makes its own food

• form carbohydrates using chemicals

• uses sunlight for energy

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-7

The basis for the energy in an ecosystem is provided by

• consumers

• heterotrophs

• chemosynthesis

• producers

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Most producers get energy from the sun using the process of

• respiration

• consumption

• photosynthesis

• chemosynthesis

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

A model that shows a single sequence of feeding relationships is called a

• trophic level

• food chain

• food web

• feeding chain

Decomposers are important to ecosystems because they

• return vital nutrients to the environment

• are producers

• capture energy from the Sun

• can be omnivores

Tags

NGSS.MS-LS2-3

A food chain contains oak trees (producer), mice (herbivore), black rat snakes (carnivore), and bald eagles (carnivore). How many trophic levels does this food chain have?

• one

• two

• three

• four

Tags

NGSS.MS-LS2-3

Food webs are models that show

• one sequence of producers and consuemrs

• networks of feeding relationships

• stored energy in food chains

• only primary consumers in an ecosystem

Tags

NGSS.MS-LS2-3

Herbivores are which of the following?

• producers

• secondary consumers

• primary consumers

• decomposers

Tags

NGSS.MS-LS2-2

Which phrase best describes biodiversity?

• the number of individuals in an ecosystem

• the amount of biomass in an ecosystem

• the amount of available energy in an ecosystem

• the number of species in an ecosystem

Tags

NGSS.MS-LS2-5