Unit 4: ECOSYSTEMS

What is an ecosystem?

• Areas where communities of living and non-living organisms interact with each other.

• The physical places and conditions that species need to survive.

• The group of animals or plants of the same species that live in different habitats.

• Animals, plants and other living organisms need each other.  

What are the communities?

• The physical places and conditions that species need to survive.

• Areas where communities of living and non-living organisms interact with each other.

• The group of animals or plants of the same species that live in different habitats.

FOOD CHAIN: Living organisms and non-living things are related through the nutrition function.

• True

• False

How many groups are there in the food chain?

• TWO

• FOUR

• THREE

• FIVE

The groups that make up the food chain are:

• hervivores, omnivores and carnivores

• producers, omnivores and descomposers

• producers, consumers and carnivores

• producers, consumers and descomposers

Mushrooms are:

• Producers

• Consumers

• Descomposers

A crocodile is a:

• Producer

• Descomposer

• Consumer

A rose is

• Producer

• Consumer

• descomposer

What types of changes are:

- Temperature variations between night and day

- Animal migration

- Normal changes in weather conditions

• Changes that alter ecosystems

• Changes that don’t alter ecosystems

These animals are difficult to see because they are camouflaged. Their skin is the same colour as the environment where they live.

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