4.2 Energy flow in Ecosystems

4.2 Energy flow in Ecosystems

9th Grade

27 Qs

quiz-placeholder

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4.2 Energy flow in Ecosystems

4.2 Energy flow in Ecosystems

Assessment

Quiz

Biology

9th Grade

Easy

Created by

lina Zendah

Used 3+ times

FREE Resource

27 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Rabbits are members of a community in a meadow. The rabbits eat grasses, and clover, as well as roots, seeds, and tree bark. What defines the organisms that share the same trophic level as the rabbits?

snakes, hawks, and other animals that eat rabbits

community members that interact with rabbits

meadow animals that are about the same size as a rabbit

meadow animals that eat plants and plant products

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Juanita is studying the food web of the open ocean. Which step would be most beneficial for her to follow to identify the primary producers of the food web?

Look for floating plants, such as water lilies

. Look for tiny phytoplankton that floats on the ocean surface.

Look for small animal plankton near the ocean surface

Look for plants or animals that live along the ocean floor

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The diagram shows a model of feeding relationships in an ecosystem? What is shown by the arrows that lead to and from the raccoon?

The raccoon is part of several food chains, but not a food web.

The raccoon is part of several food chains and several food webs.

The raccoon is part of one food web but has no food chains.

The raccoon is part of one food web and several overlapping food chains.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following BEST describes the flow of energy through a food chain?

Energy flows between primary producers and consumers, in either direction.

Energy flows from consumers to primary producers, in one direction only.

Energy flows from primary producers to consumers, in one direction only

Energy flows between primary producers and consumers, in an endless cycle

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The diagram shows a model of an ecosystem. What does the model represent?

the total biomass in each trophic level

the total amount of energy in the ecosystem

the relative amount of energy available at each trophic level

the conservation of energy as energy transfers between organisms

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ethan is modeling food chains he observes in his local ecosystem. Which of these models represents possible food chains he might observe? Select all that apply

primary producer -> consumer -> consumer -> consumer -> consumer

primary producer -> consumer -> primary producer -> consumer

consumer -> primary producer -> consumer -> primary producer -> consumer

consumer -> consumer -> consumer -> consumer

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should an ecologist measure in order to construct a pyramid of biomass for an ecosystem?

the biomass in each trophic level of the food web

the total mass of all the organisms in a representative area of the ecosystem

the total mass of all the organisms in the ecosystem

d. the number of organisms in each trophic level of the food web

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