First Children Encyclopedia

(Marvins-Underground-K-12) #1

157


Ecosystems


Yes, deciduous woodlands and cold coniferous forests.


Living together


A group of living things
in a habitat is called a
community. Each one
contains plants, animals,
and other organisms that
all rely on each other.

Mountains


Climate conditions change


as you go up a mountain,


so different ecosystems can


exist here.


Seashores


Seashore ecosystems are


half land and half sea.


They change as the tide


comes in and out.


Grasslands


Humans evolved in grassland


habitats, and today, the


largest and fastest land


animals live here.


Deserts


They can be hot or cold, but


deserts are always dry, with


little rain. Only a few animals


and plants survive here.


Frogspawn
hatches into
tadpoles. Some
of these are
eaten by other
water creatures.

Rotting leaves
and wood are
home to fungi
and small
animals, such as
beetles and slugs.

Curiosity quiz


Look through the


Ecosystems and habitats


pages and see if you can


find the pictures below.


Become


an expert


154-155 Food
chains
222-223 All living
things

Ferns grow and
absorb nutrients
from the soil.

Snails feed on the
leaves of plants,
and provide food
for other animals.

Frogs, which
eat insects,
live both on
land and in
the water.
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