Dangers to food chains (non-statutory) | Science | Quizalize & Oak National Academy

Starter quiz

What is a habitat?

a type of food that animals eat

an animal that is eaten by other animals

a place where plants and animals live ✓
Which of these statements is true?

A food chain always starts with an animal.

A food chain always starts with a plant. ✓

A plant in a food chain is called a producer. ✓

A plant in a food chain is called a consumer.
A robin eating a worm is an example of ...

prey eating a predator.

a predator eating prey. ✓

a producer eating a consumer.

a consumer eating a producer.
A sheep eating some grass is an example of ...

a predator eating prey.

prey eating a predator.

a producer eating a consumer.

a consumer eating a producer. ✓
Changes in food chains can lead to plants and animals dying out completely. This is known as becoming ...

endangered.

predators.

extinct. ✓

consumers.
Red pandas are at risk of becoming extinct. Which word do we use to describe plants or animals that are at risk of becoming extinct?

'endangered' ✓

Exit quiz

If a plant or animal in a food chain is in danger ...

it is extinct.

there are plenty of them.

it could be at risk of harm or death. ✓
If an animal or plant is extinct ...

there are many of them that are alive.

there are only a few of them still living.

there are no more living on Earth. ✓
What is the name for the place where a plant or animal lives?

'habitat' ✓
How can humans cause the habitats of plants and animals to change?

by hunting animals ✓

by observing animals

by recording types of plants

by cutting down trees ✓
When habitats change ...

the number of plants and animals living there may also change. ✓

only the number of plants living there may also change.

only the number of animals living there may also change.
Izzy's mum collects snails and removes them from the garden. What impact could this have on a food chain in this habitat?

There will be more food for animals that eat snails.

There will be less food for animals that eat snails. ✓

There will be more leaves and bark because there are less snails eating them. ✓

There will be less leaves and bark because there are more snails eating them.

Worksheet

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Lesson Details

Key learning points

Some plants and animals in different food chains are in danger.
Humans can cause the habitats of plants and animals to change by cutting down trees or hunting.
When habitats change, the number of plants and animals living there may also change.

Common misconception

Pupils may think that different parts of a food chain are independent of each other and are not impacted by changes elsewhere in the food chain.

Clear explanation of how each part of a food chain is linked to other parts of the chain and how even small changes can have a big impact throughout a food chain.

Keywords

Danger - Danger is the possibility of death or harm to something.
Extinct - Animals or plants that have died out completely are extinct.
Habitat - The place where a plant or animal lives is called its habitat.
Impact - The impact of something is the effect it has.