Ecosystems Intro

Ecosystems Intro

​What we will learn about...

• ​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

​Biotic vs Abiotic Factors

• ​Biotic = living

  • ​plants, animas, bacteria

• ​Abiotic = non-living

  • water, soil, atmosphere

Multiple Choice

NON-living things found in an ecosystem

• biotic

• abiotc

• habitat

Multiple Choice

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

• predator

• producer

• ecosystem

• abiotic factor

Multiple Choice

Biotic can be defined as

• the living parts of an environment

• non-living parts of an environment

• rocks and water

• snakes and water

Multiple Choice

Temperature is a _________factor

• Biotic

• Abiotic

• living

• cool

Multiple Select

Select ALL the biotic factors

• Rotten log

• water

• dragon fly

• bacteria

• lily pad

Multiple Choice

Soil is an example of a

• Biotic factor

• Abiotic factor

• competition

• herbivorous

​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

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