How is a food web different from a food chain?

A food web combines many different food chains.

A food web is for insects whereas a food chain is for mammals.

A food web is for water ecosystems whereas a food chain is for land ecosystems.

A food web does not include decomposers whereas a food chain does.

Which type of organism is correctly paired with its role in a food chain?

Consumer: eats producers and other consumers

Decomposer: hunts other animals for food

Predator: makes food from sunlight

Producer: breaks down wastes and dead materials

How are food chains and food webs alike and different?

Both show how energy flows. A food web shows many paths, but a food chain shows one path.

Both show roles in an ecosystem. A food web shows producers and consumers, but a food chain includes decomposers.

Both show roles in an ecosystem. A food web shows consumers and decomposers, but a food chain includes producers.

Both show how energy flows. A food web shows one path, but a food chain shows many paths.

Some mushrooms break down the remains of dead organisms. This benefits an ecosystem by

returning nutrients to the soil

decreasing the populations of herbivores

Which of the following correctly defines what the ecological pyramid is used for?

To study the flow of energy and matter in the ecosystem.

To study which animals eat one another.

To study amounts of food an animal can actually eat.

To study different names of animals in the ecosystem.

Why wouldn’t 100% of the energy in one trophic level transfer to the next?

Some of the energy is needed for the organism’s survival.

The body cannot store all of the energy to use it.

Organisms do not eat enough food to make that happen.

The energy is stored in the biomass of the organism.

A series of events in which one organism eats another and obtains energy.

Overlapping food chains in an ecosystem.

The amount of energy that moves from one feeding level to another in a food web.

biotic and abiotic factors in an area.

A consumer gets energy by doing what?

Breaking down biotic wastes and dead organisms and returning raw materials to the ecosystem.

What does a food web represent?

All connections of energy flow throughout all organisms in a habitat.

The specific ways that mutualism is carried out.

A single pathway or energy flow between organisms.

If the algae or cattails (producers) are removed in the food web, which of the following changes would most likely occur?

The entire food web would collapse over time.

The food web would depend on the decomposers for energy

The consumers would begin making energy for the food web

The populations of the remaining organisms in the food web would increase

Prolonged periods of drought in an area cause decreases in the cattail (plant)population sizes. Which of the following statements describes how the decreases in the cattail population sizes then affect other populations in the area?

Herbivore population sizes decrease, and carnivore population sizes decrease

Omnivore population sizes increase, and herbivore population sizes increase

Omnivore population sizes decrease, and carnivore population sizes increase

Herbivore population sizes increase, and carnivore population sizes decrease

The oceans have become increasingly acidic in recent years as the water absorbs more and more carbon dioxide from the atmosphere. This increased acidity interferes with the ability of corals to maintain their skeletons. In addition, an increase in water temperatures worldwide is causing coral bleaching, another condition that threatens the health of coral reefs. Based on this information, which of the following would most improve the health of coral reefs?

reducing the use of fossil fuels

eliminating nuclear power plants

removing more natural gas embedded in rocks

replacing offshore oil drills with onshore oil drills

Which of the following conditions is most likely to lead to an increase in a field mouse population?

the disappearance of a bird species that prey on the mouse

the arrival of another herbivorous mammal

the presence of a greater number of predator snakes

the lack of adequate rainfall for plants in the mouse’s habitat

Which organism in the food web would contain the highest concentration of chemical pollutants?

Top predator such as an orca whale

Primary consumer such as zooplankton

Secondary consumer such as herring

Food chain and food web

Quiz

•

Biology, Science

•

Practice Problem

•

Hard

•

NGSS

MS-LS2-3, MS-LS2-1, HS-ESS2-4

+7

Standards-aligned

Jofel Alano-Simacon

Used 1+ times

FREE Resource

40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Human beings are animals that eat both vegetation (plants) and meat (flesh). Using this information, which category do we best fit into?

omnivore

carnivore

herbivore

producer

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Complete the following sentence.
A food web is...

the flow of energy from one organism to another.

a habitat where animals live.

something that contains only abiotic factors

an ecosystem that is struggling.

Tags

NGSS.MS-LS2-3

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which category do lions, tigers, and pumas fit best into?

carnivores

producers

herbivores

omnivores

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The process where plants take water, sunlight, and carbon dioxide to make oxygen is called?

photosynthesis

chemosynthesis

aquasynthesis

purification

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The lion is considered the king of the jungle and at the top of the food web. However, there is one group of organisms that can still use their energy. Who are they?

decomposer

population

herbivore

producer

Tags

NGSS.MS-LS2-3

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Where does the energy in a food web come from?

sun

producers

consumers

decomposers

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which type of organism “recycles” nutrients back into an ecosystem?

Producers

Decomposers

Consumers

Omnivores

Tags

NGSS.MS-LS2-3

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Food chain and food web

40 questions

Human beings are animals that eat both vegetation (plants) and meat (flesh). Using this information, which category do we best fit into?

Complete the following sentence.A food web is...

Which category do lions, tigers, and pumas fit best into?

The process where plants take water, sunlight, and carbon dioxide to make oxygen is called?

The lion is considered the king of the jungle and at the top of the food web. However, there is one group of organisms that can still use their energy. Who are they?

Where does the energy in a food web come from?

Which type of organism “recycles” nutrients back into an ecosystem?

How is a food web different from a food chain?

Which type of organism is correctly paired with its role in a food chain?

How are food chains and food webs alike and different?

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Complete the following sentence.
A food web is...