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Science
Biology
Ecology
Biology 2 Ecology Review
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Gravity
Terms in this set (25)
Ecology
The study of the environment
Species
A set of individuals that can interbreed and create fertile offspring
Population
A collection of all the same species in the same area that can interbreed.
Community
A collection of all of the living portions of a habitat.
Ecosystem
Both the living and non-living portions of an environment.
Biosphere
The parts of earth where life exists.
Abiotic Factors
Non-living factors in an environment.
Biotic Factors
Living factors in an environment
Autotroph
Makes it's own food through photosynthesis (Producer)
Heterotroph
Gets its energy by eating other organisms (Consumer)
Herbivore
Eats only producers
Omnivore
Eats both producers and consumers
Carnivore
Eats only other consumers
Detritivore
Eats dead plants and animals (scavenger)
Decomposer
Breaks down dead matter into material that is useful in the environment (bacteria)
Food Chain
A simple series of steps that shows feeding relationships in an ecosystem.
Food Web
A comples series of steps that shows all of the feeding relationships in an ecosystem.
Trophic Level
A step in a food chain or web. Each level shows the transfer of matter and energy.
Biodiversity
The variety of living things in an ecosystem.
Niche
The role that an organism plays in an ecosystem.
Immigration
Individuals moving into an ecosystem.
Emigration
Individuals moving out of an ecosystem.
Exponential Growth
Population growth that happens when there are no limiting factors. The graph is often shaped like a "J".
Logistic Growth
Population growth that is more common and happens when there are factors that limit a population. Shaped like an "s".
Carrying Capacity
The number of individuals that an ecosystem can support.
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Verified questions
BIOLOGY
(a) What would be the angle of reflection for an angle of incidence of 32°? (b) What would be the angle of incidence for an angle of reflection of 47°? (c) What would the angle of reflection be If the incident ray was 40° from the reflecting mirror surface?
BIOLOGY
Organisms that live right at the sea surface but remain underwater are called
BIOLOGY
Explain how the process of RNA interference works.
BIOLOGY
A black mare was crossed to a chestnut stallion and produced a bay son and a bay daughter. The two off-spring were mated to each other several times, and they produced offspring of four different coat colors: black, bay, chestnut, and liver. Crossing a liver grandson back to the black mare gave a black foal, and crossing a liver granddaughter back to the chestnut stallion gave a chestnut foal. Explain how coat color is being inherited in these horses.
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