Food Webs & Energy Pyramids - Amoeba Sisters

What typically starts a food chain in an ecosystem?

• Tertiary consumer

• Producer

• Secondary consumer

• Primary consumer

Tags

NGSS.MS-LS2-2

Which organism is considered a primary consumer in a typical food chain?

• Plant

• Frog

• Grasshopper

• Snake

What percentage of energy is transferred from primary to secondary consumers?

• 75%

• 50%

• 25%

• 10%

Tags

NGSS.MS-LS2-3

What happens to most of the energy in a trophic level that is not passed on?

• It is converted to mass

• It is lost as heat or remains undigested

• It is used for growth

• It is stored indefinitely

Tags

NGSS.MS-LS2-3

What is a food web?

• A single chain of energy transfer

• A complex network of food chains

• A type of consumer

• A list of all animals in an ecosystem

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

How does biodiversity contribute to the resilience of an ecosystem?

• By reducing the food supply

• By increasing dependence on a single species

• By providing alternative food sources

• By limiting the number of species

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Why is it important to protect biodiversity in ecosystems?

• To increase economic benefits

• To reduce the number of species

• To simplify food webs

• To ensure ecosystem sustainability

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What role do decomposers play in the flow of energy in an ecosystem?

• They initiate energy production

• They consume living plants

• They store energy indefinitely

• They break down dead organisms, returning nutrients to the soil

Tags

NGSS.MS-LS2-3