How do changes in the environment affect organisms?

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Presentation transcript:

How do changes in the environment affect organisms?

Living things are adapted to daily changes in their habitat…………….

Daily changes  Flowers open and close

Daily changes  Sea anemones pull in their tentacles when the tide goes out to stop them drying out.

Living things are adapted to seasonal changes in their habitat

Seasonal changes in a garden  A garden in the summer

A woodland  A woodland in spring

The Arctic

The Seashore

Wilderbeast  Wilderbeast migrate.  They travel hundreds of miles every winter looking for grass to eat.  Grass will only grow where it rains.

 Some insects spend winter in protective cases called pupa.  This butterfly is emerging from a pupa.

Some plants store their food for winter underground in their roots and stems.

 Squirrels store foods like nuts in the autumn to eat during the winter when there is not much food around.

Some animals like tortoises, hedgehogs and bears, cannot store food to keep them warm. Instead they go to sleep in a warm sheltered place, such as under a pile of old leaves or inside an old tree trunk. This is called hibernation.