The variety of different organisms in an ecosystem
What is population
100
Algae growing in water is an example of what type of factor.
What is biotic factor
100
Heterotrophic organisms that that obtain their energy by feeding on decaying organisms
What is decomposer
100
An animal that obtains its energy by eating both plants and animals
What is omnivore
100
Naturally occurring carbon or hydrocarbon fuel, such as coal, petroleum, peat, and natural gas, formed by decomposition of prehistoric organisms
What is fossil fuel
200
A close relationship between two or more different organisms that live together, which is often but not always beneficial
What is symbiotic relationship
200
Two male deer fight to win the affection of a female deer is an example of what?
What is competition
200
Animal that obtains its energy by eating plants; consumers
What is Herbivore
200
A producer is a what
What is autotroph
200
Harmful chemicals that get passed from one energy level to the next as they move up through the food chain
What is toxin
300
The place in which organisms lives; a specific environment that has an interacting community of organisms
What is habitat
300
The largest level of organization in ecology, made up of biotic and abiotic factors
What is ecosystem
300
An animal obtains its energy by eating other plants and animals; consumers
What is a carnivore
300
Vultures feed on animals they did not kill. Vultures are known as what
What is scavengers
300
Compounds emitted into the atmosphere that act like glass to trap in the heat and warm the earth
What is greenhouse gases
400
Anything that causes the growth of a population to slow down or decrease
What is limiting factors
400
The large amount of salt in the air and water of coastal areas determine which species can exist there. In these areas, the lack of fresh water functions as what?
What is limiting factor
400
What is not recycled in an ecosystem
What is energy
400
The amount of energy that is transferred from one trophic level to the next
What is 10%
400
This process decreases the amount of carbon dioxide in the atmosphere
What is photosynthesis
500
The relationship between flowering plants and bees, where the plant provides the bee with food and the bee spreads pollen for the plant
What is mutualism
500
Wolves are predators to moose. If the wolf population decrease, the moose population would what?
What is increase
500
Species of organisms that obtain food by only eating autotrophs
What is herbivore
500
The first level of trophic levels is known as what
What is producer
500
One organism benefits while the other one does not