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Fuel
More Fuel
Webs
Cycles
Ecosystems
100
Plant eaters
What is a herbivore?
100
Grasses, ferns, trees, and algae
What are producers?
100
producer, primary consumer, secondary consumer, tertiary consumers
What is the food chain?
100
Water returning to earth.
What is precipitation?
100
First plants to arrive.
What is a pioneer?
200
A meat eater
What is a carnivore?
200
Cow, sheep, deer, and grasshoppers
What are herbivores?
200
All the feeding relationships in an ecosystem.
What is a food web?
200
Where nitrogen-fixing bacteria live.
What is soil?
200
The last community in an ecosystem
What is a climax (or stable) community
300
Eats both plants and animals
What is an omnivore?
300
Lions, wolves, eagles
What are carnivores?
300
The largest trophic group in the food web
What are producers?
300
The process of moving water between the atmosphere and the earth.
What is the water cycle?
300
Changes over time in community ecosystems.
What is succession?
400
An organism who eats dead organisms.
What is a decomposer
400
Bears, pigs, and humans
What are omnivores?
400
Plants process light energy to chemical energy giving off oxygen
What is photosynthesis?
400
What is released by consumers and consumed by producers
What is carbon?
400
Where succession occurs following another ecosystem.
What is secondary succession?
500
An organism who gains energy from another organism
What is a consumer?
500
Fungi and bacteria
What are decomposers?
500
The breaking down of food to get energy.
What is cellular respiration?
500
Organisms who take nitrogen gas directly.
What is a nitrogen-fixing bacteria?
500
These factors are needed to start a primary succession.
What is abiotic and biotic factors?