Which nutritional relationship described below contains an organism that can be classified as a heterotroph, secondary consumer, and scavenger?

A crow eats a portion of a dead rabbit.

A field mouse eats an ear of corn.

Certain bacteria live in nodules on clover roots.

A peregrine falcon kills and eats a pigeon.

A fruit fly is classified as a consumer rather than a producer because it is unable to

release energy stored in organic molecules

Young rabbits that eat grass are sometimes eaten by raccoons, which also eat seeds and berries. Bacteria help to decompose the excretions of the raccoon. Which statement about these nutritional relationships is accurate?

Raccoons are both primary and secondary consumers.

Rabbits and secondary consumers.

Which food chain relationship illustrates the nutritional pattern of a primary consumer?

seeds and fruits eaten by a mouse

Which process occurs at each link in a food chain?

Some energy is released into the environment as heat

All the energy is stored in a newly made structure

Atoms cycle among living organisms, producing energy

A food chain is represented below: Grass --> cricket --> frog --> owl Structures within the rabbit are formed using

heat energy lost to the environment

Which statement represents a characteristic of an ecosystem that is not likely to sustain itself?

There are more consumers than producers.

The sun provides the needed energy.

Energy is transferred from plants to animals.

There are interactions between biotic and abiotic factors.

This food chain contains grass --> cricket --> frog --> owl

2 predators, 1 herbivore, and 1 producer

1 predator, 1 parasite, and 2 producers

The removal of nearly all the predators from an ecosystem would most likely result in

an increase in the number of herbivores

an increase in the number of carnivore species

a decrease in new predators migrating into the ecosystem

a decrease in the size of decomposers

Which sequence shows a correct pathway for the flow of energy in a food chain?

grass --> grasshopper --> frog --> snake

bacteria --> grass --> fox --> owl

fungi --> beetle --> algae --> mouse

algae --> snake --> duck --> deer

Which factor would have the greatest effect on the flow of energy into an ecosystem?

a large decrease in the amount of sunlight available

a large increase in the number of carnivores

a small increase in the number of decomposers

a small decrease in the amount of minerals available

The diagram below represents a food pyramid in an ecosystem. The best explanation for the decrease in the amount of energy transferred to each succeeding level is that much of the energy is

stored within inorganic materials

The diagram below represents different feeding levels in an energy pyramid. The most likely explanation for showing fewer organisms at each feeding level going up the pyramid is that

some energy is lost to the environment as heat

the larger the organism, the less energy it requires

some energy is recycled within each level and remains there

decomposers convert most of the energy into inorganic compounds

A diagram frequently used in ecological studies is shown below. This diagram can be used to represent the

loss of energy from various groups of organisms in an ecosystem

dependency of animal survival on physical conditions in an ecosystem

competition among species in an ecosystem

mechanisms that maintain homeostasis in the plants in an ecosystem

Which statement best describes the flow of energy and the movement of chemical compounds in an ecosystem?

Energy is transferred from organism to organism in a food chain and chemical compounds are recycled.

Energy flows into living organisms and remains there, while chemical compounds are transferred from organism to organism.

Chemical compounds flow in one direction in a food chain and energy is produced.

Energy flows out of living organisms and is lost, while chemical compounds remain permanently inside organisms.

The food web below contains some of the organisms found in Glacier National Park. Which group of organisms in this food web would contain the greatest amount of stored energy?

plants, seeds, needles, and leaf litter

The diagram below represents an energy pyramid constructed from data collected from an aquatic ecosystem. Which statement best describes this ecosystem?

The ecosystem is most likely unstable.

Long-term stability of this ecosystem will continue.

The herbivore populations will continue to increase in size for many years.

The producer organisms outnumber the consumer organisms.

Food Webs & Chains

Authored by Samantha Zegel

Biology

8th - 10th Grade

NGSS covered

Used 9+ times

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Producers are generally found at the beginning of a food chain. Which statement best explains why this is true?

Producers are usually smaller in size than consumers.

Producers do not rely on other organisms for food.

There are always more consumers than producers in food chains.

Consumers are always more complex organisms than producers.

Tags

NGSS.MS-LS2-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The diagram below represents a marine food web. The organisms represented by X are

decomposers

producers

carnivores

scavengers

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The diagram below represents an energy pyramid. Which organisms would most likely be found at level A?

birds

worms

mammals

algae

Tags

NGSS.MS-LS2-3

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For a producer to maintain itself, which factor must be present in its environment?

carnivores

herbivores

sunlight

parasites

Tags

NGSS.MS-LS1-6

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Most of the food and oxygen in the environment is produced by the action of

saprophytic bacteria

heterotrophic organisms

aerobic protozoans

autotrophic organisms

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The diagram below represents a food web. Two of the herbivores represented in this food web are

toads and snakes

deer and mice

wolves and raccoons

grasshoppers and toads

Tags

NGSS.MS-LS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Because turkey vultures feed mainly on animals that they have not killed, they are known as

predators

scavengers

omnivores

autotrophs

Tags

NGSS.MS-LS2-2

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Food Webs & Chains

Producers are generally found at the beginning of a food chain. Which statement best explains why this is true?

The diagram below represents a marine food web. The organisms represented by X are

The diagram below represents an energy pyramid. Which organisms would most likely be found at level A?

For a producer to maintain itself, which factor must be present in its environment?

Most of the food and oxygen in the environment is produced by the action of

The diagram below represents a food web. Two of the herbivores represented in this food web are

Because turkey vultures feed mainly on animals that they have not killed, they are known as

Which nutritional relationship described below contains an organism that can be classified as a heterotroph, secondary consumer, and scavenger?

A fruit fly is classified as a consumer rather than a producer because it is unable to

Horses are herbivores and, as a result, can be classified as

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