7th Grade Ecological Energy Flow Quizzes, Questions & Answers

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7th Grade

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Unit 5 Target 3: Energy Flow Through Ecosystems

Explore the dynamics of energy flow through ecosystems in 'Unit 5 Target 3: Energy flow through ecosystems'. This quiz assesses understanding of food chains, energy transfer, and trophic levels, crucial for students of biology...

Questions: 14 | Attempts: 447 | Last updated: Mar 21, 2025

Sample Question 1
In the food web above, which is a correct sequence for the flow of energy in a food chain containing the leopard seal?

Phytoplankton > krill > penguin > leopard seal

Smaller toothed whales > leopard seal > fish > krill

Other birds > leopard seal > other seals > baleen whale

Carnivorous zooplankton > other seals > leopard seal > smaller toothed whales

Sample Question 2
Refer to the illustration above. How much energy is available to the organisms in level 3?

All of the energy in level 1 plus the energy in level 2

All of the energy in level 1 minus the energy in level 2

About 10 percent of the energy in level 2

About 90 percent of the energy in level 2

Sample Question 3
Organisms that manufacture organic nutrients for an ecosystem are called

Consumers.

Predators.

Producers.

Omnivores.