Page 204 - DK Children's Encyclopedia

Prehistoric life SEE ALSO

▸ ▸ Dinosaurs p.80
▸ ▸ Early humans
Earth has changed a lot over many millions of years. It has p.82
not always been home to plants, animals, and people. ▸ ▸ Earth p.83
Many early living things no longer exist, so we only know ▸ ▸ Fossils p.111

about them from their remains. The distant past is known ▸ ▸ Habitats p.126
as “prehistory.” ▸ ▸ Oceans and seas
p.187
Ammonites were
animals with shells
that lived in water.
Forests
As Earth warmed up,
plants grew on land and
forests provided food
for different types
of animals.

Oceans
The first life was in
the oceans. There were
underwater plants
and early animals.

Dinosaurs were the
main land animal in
prehistoric forests.

Ice ages
In times when the
Earth cooled down,
most of it was covered
in ice. Animals had to
adapt to survive.
Woolly mammoths
had thick fur coats
to help them keep
warm in the ice ages.
Stone Age
After the last ice age, Earth
warmed up to how it is
today. A great variety
of plants and animals
live in many
different habitats,
such as deserts,
forests, and
polar regions.

Early humans
invented ways to
hunt and gather food,
and survive longer.

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