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14 Cards in this Set

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  • Back
What is biotic factor?
a living part of the ecosystem.
What is abiotic factors?
A nonliving part of an ecosystem.
What is ecosystem?
All the living and nonliving things in an area interacting with each other.
What is habitat?
The area in which an organism lives.
What is a niche?
The role an organism has in its ecosystem.
What is a omnivore?
An animal that eats both plants and animals.
What is a scavenger?
a animal that feeds on the remains of dead animals.
What cycle is photosynthesis part of?
Carbon cycle
What cycle is bacteria an important part of?
nitrogen cycle
What is a parasitism?
A relationship in which one kind of organism lives on or in another organism and may harm the organism.
What is mutualism?
A relationship between two kinds of organisms that benefits both.
What is limiting factor?
Anything tha controls the growth or survival of an organism or population.
Why is the nitrogen cycle important to humans?
We need nitrogen to make parts of the body, like muscles, nerves, skin, bones, blood and digestive juices.
Give an example of limiting factor and how it limits population growth.
The weather(sun, water and timperature controlls the growth of grass. If the grass dies there's no food for plant eating insects so they die or leave. Leaving no food for insect-eating animals so they die or leave. Leaving no food for meat eating animals so they die or leave.