Ecosystems
Roles of Organisms
Food Chains
Changes in Ecosystems
Living vs. Nonliving
100
This is the definition for habitat.
What is the organism's home?
100
These make food using the sun's energy.
What are producers?
100
This is the set of steps in which organisms get the food they need in order to survive.
What is food chain?
100
This causes change in an ecosystem when it has too many of at least one kind of living thing.
What is overpopulation?
100

non-living factors are called what

abiotic

200
The place where both living and nonliving things live.
What is an ecosystem?
200
Fungi is an example of this.
What is a decomposer?
200
A hawk is considered this on the food chain.
What is a consumer?
200
A long period of time when there is little or no precipitation, such as rain.
What is drought?
200

All living factors are considered to be....

Biotic 

300
This part of the ecosystem is inhabited by both plants and animals.
What is a community?
300
You can have more than one of these types of roles.
What are consumers?
300
This shows how many food chains are related within an ecosystem.
What is a food web?
300
There are many reasons for this to cause ecosystems to change, mostly due to humans.
What is pollution?
300

Identify 2 abiotic factors

answers vary

400
Communities can be divided into different ones of these.
What is populations?
400
Most people are this type of consumer, we eat both plants and animals.
What is an omnivore?
400
These are the two decomposers that people are most familiar with.
What are fungi and bacteria?
400
One way that we can conserve energy and reduce pollution.
What is to turn off television, radio, etc. when not in use?
400

Energy enters the ecosystem in the form of _____ energy

radiant or sun/light

500
List the way that an ecosystem is oganized starting with the top all the way to the bottom.
What is ecosystem, community, population, and habitat?
500
They feed on dead producers and consumers, and wastes.
What is decomposers?
500
This is the order of the food chain.
What is energy, producer, consumer, decomposer?
500
This causes an ecosystem to change by doing harm to the plants and sometimes the animals. by making them "sick".
What is disease?
500

Energy transferred within ecosystems is abiotic. 

True

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