UNIT5:Ecosystems

Nuria Sánchez Parra5º, CEIP García Bellido

OUTLINE

• Ecosystems -Physycal environment - Living things• Nutrion in ecosystems - Types of living things -Food chains• Benficial and harmfull relationships

Water around Antarctica…

VIDEO video 2

Ecosystems• An ecosystem consists of all the organisms

living in one place, as well as the physical environment they live in.

Ecosystems

Consist of

PhysicalEnvironment(non-living things)

Living things

Terrestrial

Aquatic

Fauna (animals)

Flora (plants)

Can be

VIDEO

How living things feed on other living things

Food chain

• Producer (make their own food): plants

• Primary consumers (herbivores): rabbits

• Secondary consumers (carnivores): foxes

• Tertiary consumers (carnivores) : eagles

Are eaten by

Are eaten by

Are eaten by

• Video 1• Video 2

Benficial and harmful

relationship

Commensalism : one specie beneficts and other remains unaffected

Parasitism: one specie beneficts and other suffers

Competition: two species have the same needs

Mutualism : two species benefict

Mutualism

Commensalism

Parasitism

• Video 1• Video 2