food webs and food chains

What is the starting point of a food chain?

• Primary consumers

• Secondary consumers

• Producers

• Decomposers

Which organisms are capable of photosynthesis?

• Carnivores

• Herbivores

• Tertiary consumers

• Producers

Tags

NGSS.MS-LS1-6

What role do decomposers play in a food web?

• They consume primary consumers

• They produce their own food

• They break down organic matter

• They are at the top of the food chain

Tags

NGSS.MS-LS2-3

Which ecosystem is characterized by trees as producers and wolves as secondary consumers?

• Grassland ecosystem

• Desert ecosystem

• Forest ecosystem

• Marine ecosystem

Tags

NGSS.MS-LS2-3

In which ecosystem do phytoplankton serve as producers?

• Marine ecosystem

• Forest ecosystem

• Freshwater ecosystem

• Grassland ecosystem

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the primary difference between a food chain and a food web?

• A food web is a simpler model than a food chain

• A food chain includes decomposers, while a food web does not

• A food chain is a linear model, while a food web depicts multiple interconnected food chains

• A food web includes only primary consumers, while a food chain includes multiple levels of consumers

Which of the following is a primary consumer?

• Shark

• Deer

• Wolf

• Fungi

Tags

NGSS.MS-LS2-3

How does energy flow in an ecosystem?

• In a circular pattern without a clear direction

• From producers to various levels of consumers

• From tertiary consumers to primary consumers

• From decomposers to producers

Tags

NGSS.MS-LS2-3

What is the role of herbivores in a food chain?

• To produce their own food

• To break down organic matter

• To serve as tertiary consumers

• To consume producers

Tags

NGSS.MS-LS2-3

Why is biodiversity important in ecosystems?

• It limits the flow of energy within the ecosystem

• It ensures the dominance of primary consumers

• It contributes to the stability and health of ecosystems

• It reduces the number of food chains

Tags

NGSS.MS-LS2-5