Introduction to Ecosystems

Ecosystems Intro

Year 7

​What we will learn about...

• ​student outcomes

• ​what is an ecosystem?

• ​biotic vs abiotic

• ​intro to food chain and food webs

​What is an ecosystem?

• ​a geographic area and all living and non-living things within it

• ​OR biotic and abiotic factors

• ​can be very large or very small

• ​includes everything, from larger organisms, to tiny bacteria, to temperature, sun, wind, and rain

Multiple Choice

What are the living and nonliving things in an environment or area?

• predator

• producer

• ecosystem

• abiotic factor

​Biotic vs Abiotic Factors

• ​Biotic = living

  • ​plants, animas, bacteria

• ​Abiotic = non-living

  • water, soil, atmosphere

​Food Chains and Food Webs

• ​Food chain = who eats whom

• ​Food web = all food chains in the ecosystem

• ​All organisms occupy a specific trophic level or position in the food chain or food web

Multiple Choice

NON-living things found in an ecosystem

• biotic

• abiotc

• habitat

Multiple Choice

An organism that can make its own food

• decomposer

• producer

• consumer

Multiple Choice

Breaks down and feeds on the remains of other organisms

• decomposer

• consumer

• producer

Multiple Choice

These organisms cannot make their own food; they must eat something for energy

• decomposer

• consumer

• producer

Multiple Choice

LIVING things in an ecosystem

• biotic

• abiotic

• ecosystem