SC.912.L.17.9 -- Food Webs, Energy Pyramids, and Energy Flow

A ____________ shows how organisms obtain their food in a single pathway of energy.

• Food Chain

• Food Web

• Energy Pyramid

• Carbon Cycle

a _______________ is several interconnected food chains

• Food chain

• Food Web

• Energy pyramid

• Carbon Cycle

Tags

NGSS.MS-LS2-3

Which of the following is a producer in the food chain below?

Grass --> Grasshopper --> Bird --> Snake --> Hawk

• Snake

• Bird

• Grasshopper

• Grass

Tags

NGSS.MS-LS2-3

What is a common decomposer?

• Sediments and Rocks

• Bacteria

• Lions, Tigers, Bears, Sharks

• Trees, Grasses, Plants

Tags

NGSS.MS-LS2-3

The arrows on a food chain/food web represent __________________________________.

• the rate of consumption between organisms

• the rate of decomposition of dead organisms

• the flow of energy from one organism to another

• the flow of water and organic carbon from the abiotic to biotic factors

Tags

NGSS.MS-LS2-3

All food chain/web starts with a _____________

• producer

• primary consumer

• secondary consumer

• tertiary consumer

Tags

NGSS.MS-LS2-3

Without __________, energy cannot enter the producers or make its way up a food chain.

• the sun

• the water cycle

• the carbon cycle

• NaCl and CO

Tags

NGSS.MS-ESS2-1

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Producers/Autotrophs

• consume other organisms for their energy

• make their own food using light or chemicals

• break down dead organisms

• all the above

Tags

NGSS.MS-LS2-3

Consumers/heterotrophs

• produce their own energy from the sunlight or chemicals

• obtain energy by consuming other organisms

• decompose dead organisms into the soil

• none of the above

Which of the following BEST explains what could happen if a food chain or food web became unbalanced?

• Change in a food chain/web, like the extinction of a species, will have NO impact on the balance of the ecosystem.

• Change in a food chain/web, like the extinction of a species, can have a positive impact on the balance of the ecosystem.

• Change in a food chain/web, like the extinction of a species, can have a negative impact on the balance of the ecosystem.

• All answers are plausible.

Tags

NGSS.MS-LS2-4