Quiz about Bill Nye Food Webs

Question 1

A connection of food chains with many food energy paths in an ecosystem is a ____________.

Accepted Answer

food web

Answer

ecosystem

Answer

environment

Answer

population

Question 2

What may happen if the snowshoe hare was removed from the food web pictured?

Accepted Answer

The shrew population would decrease due to being only hawk food source.

Answer

The insects in the habitat would increase.

Answer

The willow tree population would decrease.

Answer

Foxes would dies due to no food source.

Question 3

The shrew provides energy for the _______.

Accepted Answer

snake

Answer

cricket

Answer

grasshopper

Answer

frog

Question 4

One path that energy could take through an ecosystem is called a ________________________.

Accepted Answer

Food Chain

Answer

Food Web

Answer

Abiotic Factors

Answer

Biotic Factors

Question 5

Why is energy transfer in a food chain not 100% efficient?

Accepted Answer

Because some energy is always lost as heat.

Answer

Because consumers create energy during digestion.

Answer

Because producers absorb all the energy from the sun.

Answer

Because decomposers use all the energy from dead organisms.

Question 6

How do decomposers contribute to the energy flow in a food web?

Accepted Answer

By breaking down dead organisms and releasing nutrients back into the ecosystem.

Answer

By eating live plants and animals.

Answer

By converting sunlight into chemical energy.

Answer

By hunting and consuming other animals.

Question 7

How does a decomposer contribute to the energy flow in an ecosystem?

Accepted Answer

By breaking down dead organisms and releasing nutrients back into the ecosystem

Answer

By consuming live plants and animals

Answer

By producing its own food through photosynthesis

Answer

By preying on primary consumers

Question 8

A food web can be broken down into several seperate

Accepted Answer

food chains

Answer

food pyramids

Answer

producers

Answer

consumers

Question 9

In a food chain, what typically happens to energy as it moves up from producers to top predators?

Accepted Answer

It decreases.

Answer

It increases.

Answer

It remains constant.

Answer

It is recycled.

Question 10

Which of these is true about this food web?

Accepted Answer

The Mouse is most likely to die, several ways.

Answer

The Owl gets its energy from the producer.

Answer

The Lion gets its energy only from a wild cat.

Answer

The Kite gets its energy from the goat.

Question 11

Identify the correct food chain that demonstrates the energy flow of this food web

Accepted Answer

Plant > Caterpillar > Bluebird > Eagle

Answer

Plant > Lizard > Snail

Answer

Plant >Lizard > Snail >Eagle

Answer

Eagle >Lizard>Caterpillar>Plant

Question 12

What is a food web?

Accepted Answer

A network of interconnected food chains

Answer

A single linear sequence of organisms

Answer

A diagram showing energy flow

Answer

A list of all species in an ecosystem

Question 13

Which of the following organisms is typically at the base of a food web?

Accepted Answer

Producers

Answer

Herbivores

Answer

Carnivores

Answer

Decomposers

Question 14

How does energy flow in a food web?

Accepted Answer

From producers to top predators

Answer

From top predators to producers

Answer

In a circular motion

Answer

Randomly between organisms

Question 15

What role do producers play in a food web?

Accepted Answer

They convert sunlight into chemical energy

Answer

They consume other organisms

Answer

They decompose organic matter

Answer

They are at the top of the food chain

Question 16

In a food web, what happens to the energy that is not transferred to the next trophic level?

Accepted Answer

It is lost as heat

Answer

It is destroyed

Answer

It is converted into biomass

Answer

It is stored indefinitely

Question 17

Which of the following best describes a trophic level?

Accepted Answer

A step in the food chain or food web

Answer

A type of ecosystem

Answer

A measure of energy efficiency

Answer

A classification of organisms by size

Question 18

What is the primary source of energy for most food webs?

Accepted Answer

Sunlight

Answer

Chemical energy from the soil

Answer

Heat from the Earth's core

Answer

Nutrients from decomposers

Question 19

How do herbivores fit into a food web?

Accepted Answer

They are primary consumers

Answer

They are primary producers

Answer

They are secondary consumers

Answer

They are decomposers

Question 20

What is the difference between a food chain and a food web?

Accepted Answer

A food web consists of multiple interconnected food chains

Answer

A food chain is more complex

Answer

A food web is a single linear path

Answer

A food chain includes all organisms in an ecosystem

Question 21

Why are decomposers important in a food web?

Accepted Answer

They recycle nutrients back into the ecosystem

Answer

They produce energy for the ecosystem

Answer

They consume all other organisms

Answer

They are the top predators

Question 22

What might happen to a food web if a top predator is removed?

Accepted Answer

Prey populations may increase

Answer

The ecosystem will collapse immediately

Answer

There will be no effect

Answer

Producers will become extinct

Question 23

How can human activities impact food webs?

Accepted Answer

By introducing invasive species

Answer

By increasing biodiversity

Answer

By stabilizing ecosystems

Answer

By eliminating decomposers

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