HoW Do LIVInG THInGS InTErACT WITH THE ECoSYSTEM?

How do living things interact with each other?

1 Look, listen and read. There are different types of relationships between the living things in an ecosystem. The most important ones are feeding relationships.

Food chains represent who eats who in an ecosystem.

Plants are food for the grasshopper.

The grasshopper is food for the lizard.

The lizard is food for the eagle.

1 Look and do the activities.

Squirrels live in trees.

• A ball of yarn • Cards with living and non-living things a) Copy and colour the pictures in your notebook. Read the clues and draw lines to connect them. b) Classify them into living and non-living things. c) Show relationships in this ecosystem. You need a ball of yarn and cards. See ‘We are all connected’ at anayaeducacion.es

Ants build anthills in the soil. Bees take pollen from one flower to another.

Squirrels eat fruit from trees.

Squirrels and birds drink water from the pond.

Plants use light to make food.

At anayaeducacion.es see, I’ll tell you in a moment’ to know more about the relationships between the living things in an ecosystem.

Birds eat insects (ants and bees).

Plants get water and mineral substances from the soil.

Squirrels are living things.

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All the living things in an ecosystem interact.

What non-living things can you find in nature?

1 Look, listen and read. Some of the non-living components in an ecosystem are air, sun, climate and rocks. Rocks form the ground we live on. Rocks have got different shapes, colours and sizes. They appear in different ways in nature.

It is very hard. Its components are black, white and pink.

It is hard. It is usually grey or black. It has got layers.

It is of volcanic origin. It is very hard. It can be grey or black.

2 Read the definitions and match them to the correct rock.

a) It is usually grey or black. It has got layers.

b) It is very hard. It has got three different components.

c) It can contain fossils.

d) It is of volcanic origin and it is very hard.

What are the differences between marble and obsidian? Look at the pictures and describe them.

What does marble look like?

Marble is white/black. It is hard/medium-hard/soft.

It is medium-hard. It can be white, grey or beige. It can contain fossils.

Rocks contain minerals. There are many different types of minerals. They can have different shapes, brightness, hardness and colours.

1 Look and match the properties to the correct mineral.

a) It is very hard.

b) It has got geometrical shapes.

c) It shines.

d) It is soft.

e) It is yellow.

2 We can make objects using rocks and minerals. Look at the pictures and complete the sentences using the correct words.

a) We can use ••• for ••• b) We can use ••• for ••• c) We can use ••• for ••• d) We can use ••• for •••

Choose a mineral or a rock and make questions to guess it.

Is it smooth/rough?

Is it hard/soft?

It’s green/yellow/black.

It shines / It doesn’t shine.

NOW

We can find different types of rocks and minerals in nature.

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