Habitats -‘who lives where’

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The slide show was designed and produced for the NMA by STEP, the

Science Training & Education Partnership

Training &Science

EducationPartnership

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www.step-up-to-science.com

A HABITAT is the placewhere a plant or

animal lives

Different plants and animals aresuited to particular habitats

Each animal has a body and a life-style which help it live

where it does Each is adapted to its habitat

There are many different habitats in the seas and

oceans

STEP

Plants and animals can live in the water, attached to the sea

bed, or burrowing inside the sea bed

The oceans are HUGE!!!

The average depth is 3700 metres The deepest part is more than

11500 metres deep Only 5% is shallower than 200

metres The total volume is about 1000 million cubic kilometres

Out in the deep ocean, different depths form

different habitats

The deep makes up 80% of the habitat space on earth

As you go deeper into the ocean, it gets darker

It also gets colder:

Below 1000 metres depth, the temperature of the ocean is

about the same as your fridge

The water pressure also increases:

At a depth of 10000 metres, the water pressure is 1 tonne on

each square centimetre

Most life is in the SUNLIT ZONE - the top 200 metres

Beneath this is the TWILIGHT ZONE, where sunlight is too dim for plants to grow

The deepest parts of the ocean are in the DARK ZONE

Different animals live at different

depths in the ocean

They have different ways of

finding food, and not

being eaten!

In the shallow parts of the oceans, there is enough

light for plants to grow on the sea bed

Plants growing attached to the seabed, like this

kelp, can only grow where the ocean is shallow

enough to let through enough light for growth

Coral reefs form a very important habitat in

shallow tropical seas

Dave Peake

The coral is built by small animals

There are several different types of

coral

Many different animals live on

coral reefs

A habitat is where a plant or animal livesDifferent habitats have different plants and animals

You have seen that -

There are different habitats in the seaAnimals live in different depth zones in the ocean

You have seen that -

Plants can only grow in shallow waterCoral reefs are an important habitat in tropical seas

You have seen that -

NOTES for USERS

The material in this slide show is designed to support the teaching of science at Key Stage 1

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