4.2 Food Chains

• Biologie
• 7th Grade

Pictures of herbivores

Herbivores (write the names also!)

Pictures of predators

Predators (write the names also!)

Pictures of scavengers

Scavengers (write the names also!)

02:17

Which one is correct?
(decomposers = fungi / bacteria)

1. Primary consumer - producer - secondary consumer - decomposer
2. Producer - primary consumer - secondary consumer - decomposer
3. Decomposer - primary consumer - secondary consumer - producer
4. Producer - decomposer - primary consumer - secondary consumer

02:37

Whcich one is the producer?

1. the tree
2. the acorns
3. the rat
4. the snake

03:08

Which one is true?

1. A food chain is made from many food webs
2. A food web is made from many food chains

03:19

what does your body
need energy for?

A food chain starts with a

1. producer
2. consumer
3. decomposer

A producer is always

1. an animal
2. a plant
3. can be both

Make your own food web!

TIP:

Put the producers at the bottom.

Upload your foodweb here:

Practise questions!

Which animal(s) would be MOST affected if all the grass died?

hawk

sparrow

caterpillar

grass

fox

mouse

berries

Which animal(s) would be
MOST affected if all the grass died?

What would happen to all the hawks if the number of foxes would decrease?

hawk

sparrow

caterpillar

grass

fox

mouse

berries

What would happen to all the hawks
if the number of foxes would decrease?

Mercury in the sea = kwik in de zee

Mercury used to be found in pesticides and paint for boats. Mercury is poisonous and damages the nervous system and reproductive system in mammals.

Look at the food chain and explain why mercury could be a problem for human health.

Explain why mercury could be
a problem for human health.

Match the keyword with its correct definition