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Cycling Matter
Cycling Matter 2
People's Affects on Ecosystems
Ecosystem Conservation
Ecosystem Conservation 2
100
Decayed material from once-living things that is used to enrich the soil.
What is compost?
100
Bacteria and mushrooms are examples of this.
What are decomposers?
100
Trash that is not thrown away in a way that prevents harm to ecosystems.
What is litter?
100
Things that break down easily in the environment.
What is a biodegradable material?
100
Collecting plastic bottles is an example.
What is recycling?
200
This animal eats the body or waste of dead animals.
What is a scavenger?
200
True or False: All food chains end with decomposers.
What is true?
200
A material that causes pollution.
What is a pollutant?
200
Travel to natural habitats that avoids harming and helps preserve these areas and the organisms that live there
What is ecotourism?
300
A living thing that breaks down the remains of dead organisms.
What is decomposer?
300
Decomposers break down materials so that nutrients can be reused.
What is nutrient recycling?
300
The addition of harmful materials to the environment
What is pollution?
300
_______ and most _________ are not biodegradable.
What metals and plastics?
300
We get medicines, fruits, and oils from these.
What are rainforests?
400
When something is broken down into simpler materials
What is decay?
400
Made up of yard waste and food scraps.
What is compost?
400
Waste that can pollute the environment even when it occurs in small amounts.
What is hazardous waste?
400
A large outdoor place used to bury waste.
What is a landfill?
400
They help plants grow but may also get into water causing fish to die.
What are fertilizers?
500
True or False: Sharks are scavengers.
What is true?
500
True or False: Decomposers are harmful to the environment.
What is false?
500
True or False: Pollution cannot affect both land and water ecosystems.
What is false?
500
Landfills are lined with this in order to prevent hazardous waste from leaking into other ecosystems.
What is plastic?
500
A type of green agriculture that uses only things that happen naturally in an ecosystem.
What is organic farming?