A population of Eastern Cottontail rabbits lives in a particular ecosystem. This population's major predator is the coyote and its major food source is vegetation. Which of the following would most likely cause a decrease in the population of Eastern Cottontails in this ecosystem?

An increase in the coyote population

A decrease of disease in the rabbit population

An increase in the vegetation in the ecosystem

A decrease in the coytote population

When a beetle consumes grass, the matter that made up the grass is used by the beetle to do which of the following?

Build and maintain body structures

What is the purpose of decomposers in an ecosystem?

Decomposers break down matter from dead organisms into simpler substances that can be recycled in an ecosystem.

Decomposers combine elements such as carbon, nitrogen, and oxygen, into complex molecules that can be used as food sources for organisms.

Decomposers absorb energy from the sun and produce food for themselves.

Decomposers are parasites; they attach themselves to host organisms and absorb nutrients from the host until the organism dies.

Unlike plants, animals cannot make their own food. How do animals obtain the energy they need?

Animals are able to function without taking energy in from their environment

Animals absorb cheimcals from their environment

How does the energy available to organisms change within each feeding level of an energy pyramid?

There is less energy available at the top level than in the bottom level

There is less energy available in the bottom level than the top level

There is more energy available in the middle levels than in either the top or bottom leve

All of the feeding levels have the same amount of energy available

When an organism from one trophic level of a food chain is eaten by the organism at the next level up the chain, an average about 10% of the energy from the first organism is available for use by the next organism. Where does the other 90% go at each level?

It is used up by the previous organism or lost as heat

It is destroyed when the organism is eaten

It is left as waste on the ground

Ecology Study Guide

Quiz

•

Biology

•

6th Grade

•

Practice Problem

•

Hard

•

NGSS

MS-LS2-3, MS-LS2-1, MS-LS1-1

+5

Standards-aligned

Charles Martinez

FREE Resource

27 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following shows the amount of energy that moves from one trophic level to another?

Abiotic Factor

Biotic Factor

Energy Pyramid

Omnivore

Which of the following shows the part of an ecosystem that is alive?

Abiotic Factor

Biotic Factor

Energy Pyramid

Omnivore

Which of the following shows a consumer that eats both plants and meats?

Abiotic Factor

Biotic Factor

Energy Pyramid

Omnivore

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following shows the nonliving part of an ecosystem?

Abiotic Factor

Biotic Factor

Energy Pyramid

Omnivore

Which of the following shows an organism that can make its own food?

Primary Consumer

Secondary Consumer

Tertiary Consumer

Producers

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following shows an organism that eats a primary consumer?

Primary Consumer

Secondary Consumer

Tertiary Consumer

Producers

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an organism that eats a producer?

Primary Consumer

Secondary Consumer

Tertiary Consumer

Producers

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Ecology Study Guide

27 questions

Which of the following shows the amount of energy that moves from one trophic level to another?

Which of the following shows the part of an ecosystem that is alive?

Which of the following shows a consumer that eats both plants and meats?

Which of the following shows the nonliving part of an ecosystem?

Which of the following shows an organism that can make its own food?

Which of the following shows an organism that eats a primary consumer?

Which of the following is an organism that eats a producer?

Which of the following is an organism that eats a secondary consumer?

Which of the following shows how energy transfers from one organism to the next?

Which of the following shows an organism that breaks down matter and returns nutrients?

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