What do the arrows in the food web primarily represent?

The flow of energy from one organism to another

The direction of animal migration

The flow of water through the ecosystem

The movement of animals during different seasons

What happens when consumers eat producers in the energy pyramid?

Energy transfers from the producer to the consumer.

Energy transfers from the consumer to the producer.

Energy transfers from the producer to the predator.

Energy transfers from the consumer to the predator.

Which of the following is correct about the energy passed between the living things in this pond food chain?

Some of the energy is lost as heat.

The snakes give energy to the frogs.

The frogs get more energy from the grasshoppers than the grasshoppers get from the grass.

Energy starts with the grass and is passed to all of the other living things in this environment.

What is the main role of the algae in this food chain?

to convert sunlight into usable energy for other organisms

to provide the energy other plants need for photosynthesis

to provide animals with shelter from sunlight

to recycle nutrients on the ocean floor

The diagram shows interactions in a forest ecosystem. Match each organism with its correct role in the ecosystem.

Rabbit - primary consumer, Frog - secondary consumer, Grass - producer

Mountain lion - producer, Hawk - secondary consumer, Snake - tertiary consumer

Deer - decomposer, Mouse - primary consumer, Cricket - tertiary consumer

Tree - carnivore, Shrub - herbivore, Grass - omnivore

Which statement correctly describes the flow of energy in this energy pyramid?

Most of the energy is transferred from the producers to the primary consumers.

Most of the energy is transferred from the secondary consumer to the tertiary consumer.

The least amount of energy is transferred from the producers to the primary consumers.

The least amount of energy is transferred from the secondary consumer to the tertiary consumer.

Which of the following shows the correct flow of energy from the Sun and the living things listed in the table?

Sun → grass → ladybug → finch → owl

ladybug → grass → owl → finch → Sun

Sun → owl → finch → ladybug → grass

grass → finch → ladybug → Sun → owl

Which of the following organisms is not correctly matched with its preferred food according to the table?

Elephant - antelope, boars, monkeys, pigs, birds

Alligator - fish, turtles, frogs, birds, small mammals, deer

Grizzly bear - berries, plants, rodents, fish, dead animals, deer

White tailed deer - leaves, twigs, fruits, nuts, grass, corn, alfalfa, lichens, fungi

Which path shows one way that energy can move through the ecosystem?

Saw palmetto → Eastern woodrat → bald eagle

Bald eagle → Eastern woodrat → rust fungus

Eastern woodrat → rust fungus → saw palmetto

Black bear → saw palmetto → rust fungus

Why does the scientist believe that the introduction of Nile tilapia into the lakes, streams, and rivers of the Gulf of Mexico watershed could have a negative impact?

Nile tilapia can become part of the aquatic food web and affect native species.

Nile tilapia are unable to survive in waters with a temperature lower than 10°C.

Nile tilapia prefer deeper waters with less vegetation, similar to largemouth bass.

Nile tilapia farming does not require cages or tanks.

What type of environment do sunfish prefer?

Shallow, slow-moving waters with lots of vegetation

Deep waters with less vegetation

Waters with fluctuating salt content and dissolved oxygen levels

Waters with temperatures lower than 10°C

What is the primary diet of largemouth bass according to the passage?

They primarily feed on smaller fish.

They primarily feed on Nile tilapia.

They primarily feed on underwater plants.

They primarily feed on amphibods and insect larvae.

What was the setup of Experiment 1 in the scientist's study?

Three identical fish tanks, each with half of its bottom covered with underwater plants and the other half with bare sand.

Three identical fish tanks with different types of fish in each tank.

Three identical fish tanks with the entire bottom covered with underwater plants.

Three different fish tanks, each designed to simulate a different type of aquatic environment.

What was the purpose of observing and recording the movements of the fish for one hour in Experiment 1?

To determine the preferred habitat of Nile tilapia and sunfish.

To measure the water temperature preferred by Nile tilapia and sunfish.

To observe the feeding habits of Nile tilapia and sunfish.

To record the growth rate of Nile tilapia and sunfish.

What was the purpose of Experiment 2?

To study the impact of a predator on the survival of sunfish and Nile tilapia

To observe the behavior of sunfish in different environments

To measure the growth rate of Nile tilapia

To test the water quality in different fish tanks

Based on the graph, which fish spent the most time in the section with vegetation in Fish tank 2?

Both spent the same amount of time

The graph does not provide this information

According to the bar graph, which type of fish was consumed the most by Largemouth Bass in Fish tank 1?

The graph does not provide this information

Which statement is true based on the bar graph?

Largemouth Bass consumed more Nile tilapia than Sunfish in Fish tank 2.

Largemouth Bass consumed more Sunfish than Nile tilapia in both tanks.

Largemouth Bass consumed more Nile tilapia than Sunfish in Fish tank 1.

Largemouth Bass consumed equal amounts of Nile tilapia and Sunfish in Fish tank 2.

Based on the passage, which option correctly represents the transfer of energy among some native species of the Gulf of Mexico watershed?

Water plant → Amphipod → Sunfish → Largemouth bass

Water plant → Amphipod → Largemouth bass → Sunfish

Water plant → Amphipod → Nile tilapia → Largemouth bass

Water plant → Amphipod → Largemouth bass → Nile tilapia

Review for Assessment: Food Chains, Webs, and Energy Pyramids

Quiz

•

Science

•

7th Grade

•

Practice Problem

•

Hard

•

NGSS

MS-LS2-3, MS-LS1-6, MS-LS2-1

+4

Standards-aligned

Beth Flaherty

Used 5+ times

FREE Resource

37 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Decomposition and decay of organic matter are accomplished by the action of

scavengers.

viruses and algae.

bacteria and fungi.

green plants.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of organisms get their energy directly from the Sun?

Producers

Decomposers

First-level consumers

Second-level consumers

Tags

NGSS.MS-LS2-3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to light energy from the Sun when it reaches the surface of Earth?

The light energy is amplified when it reaches the plants on Earth.

The light energy is destroyed when plants are eaten by herbivores.

The light energy is transformed to chemical energy by photosynthesis.

The light energy is converted to potential energy by cellular respiration.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

All plants and animals need to obtain energy from their environment in order to grow. How is this process different for plants than it is for animals?

Plants obtain their energy from sunlight, while animals obtain their energy by eating plants or other animals.

Plants need multiple sources of energy while animals only need one source of energy.

Plants convert the energy they obtain into sugar while animals convert the energy they obtain into salt.

Plants obtain their energy through their roots while animals obtain their energy through their mouths.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is biotic factor in the environment?

plant life

soil type

water

temperature

Tags

NGSS.MS-LS1-4

NGSS.MS-LS1-5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which organism is at the top of this food web?

Mouse

Snake

Red-tailed Hawk

Salamander

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary producer in the food web shown in the diagram?

Oak Acorns

Pine

Mouse

Bacteria

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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Review for Assessment: Food Chains, Webs, and Energy Pyramids

37 questions

Decomposition and decay of organic matter are accomplished by the action of

Which type of organisms get their energy directly from the Sun?

What happens to light energy from the Sun when it reaches the surface of Earth?

All plants and animals need to obtain energy from their environment in order to grow. How is this process different for plants than it is for animals?

Which of the following is biotic factor in the environment?

Which organism is at the top of this food web?

What is the primary producer in the food web shown in the diagram?

Which of the following is a decomposer in the food web?

What do the arrows in the food web primarily represent?

What does this diagram show?

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