Ecosystems

Curs 2013-14 5è Pile Science Escola Martí Poch

Introduction

Name: ............................................................................................. Date: ..............................................

Unit

5 ECOSYSTEMS

Activities

1 Let’s talk!

a) What living things and non-living things can you see in the picture?

b) Starfi sh eat sea urchins and sea urchins eat posidonia. What would happen if posidonia disappeared because of pollution?

c) The bottom of the sea is an aquatic area. What other aquatic areas do you know?

d) What is a terrestrial habitat? Give some examples.

2 Read and complete the following sentences. Then listen and check your answers:

flora fungi ecosystem flower planet fauna

Our ………….............…….…… is home to an incredible diversity of living things. There is life at

the bottom of the sea, at the top of a snowy mountain or in the middle of a forest. An

…………………………………………….….…………… is the interaction between all the living and

non-living things in an area. An ecosystem can be as big as a forest or as small as a

………………………………….. . All the plant life in an ecosystem is called ………………………………….. . All the

animal life in an ecosystem is called …………………………………………….….…………… . Other parts of an

ecosystem are ………………………………………… and microorganisms such as bacteria.

Useful words: environment, food chain, fauna, biome, fl ora, relationship

An ecosystem is the interaction of the living and non-living things in an environment. Find out more about ecosystems!

NTrack 1

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Living and non-living things

Vocabulary

Environment

Food chain

Food chain

Fauna

Biome

Flora

Relationship

Sea urchins

Posidonia

Pollution

Habitat

Producers

Primary consumers

Secondary consumers

Decomposers

SoilPhysical element

WaterPhysical element

The temperaturePhysical element

TundraBiome

MediterraneanBiome

Tropical rainforestsBiome

GrasslandsBiome

Temperate deciduous forestsBiome

Coniferous forestsBiome

DesertsBiome

Predator

Pray