7th Grade Food Webs Quizzes, Questions & Answers

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Food Webs And Energy Transfer

Explore the dynamics of food webs and energy transfer in this engaging quiz. Assess your understanding of ecological relationships, energy efficiency in food chains, and the roles of various organisms, from producers to...

Questions: 13 | Attempts: 1257 | Last updated: Mar 21, 2023

Sample Question 1
If a lobster is 3 steps up a food chain from phytoplankton ( a producer), how much phytoplankton (in grams) would be needed to provide a human with a 600 g lobster dinner?

6000 grams

60,000 grams

600,000 grams

600 grams

Sample Question 2
If the leeches were removed from the food web, which of the outcomes below might occur?

The trout fishing industry might grow

The bloodworm population loses a predator and their population size might increase

There would be less bloodworms so the trout would have less to eat.

There would be less Algae

B and D

C and D

Sample Question 3
A hawk weighs about 15 pounds. What is the weight of grass that will be needed to support the life of 1 hawk.

1.5 pounds

1,500 pounds

150,000 pounds

15,000 pounds