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List two density independent factors that can affect the carrying capacity in an ecosystem.
weather, climate, natural disasters, etc.
What is the difference between abiotic and biotic factors?
Abiotic factors are nonliving, whereas biotic factors are living components of the environment.
What is the difference between habitat and niche?
A niche includes not only where an organism lives, but also its function in an ecosystem.
What is an autotroph?
An organism that makes its own food.
What are two ways autotrophs make their own food?
photosynthesis and chemosynthesis
List five types of heterotrophs.
Herbivore, Carnivore, Omnivore, Detritivore, Decomposer, Scavenger
What is a heterotroph?
An organism that must consume other organisms to get its energy.
What is a herbivore?
A plant eater.
What is a carnivore?
A meat eater.
What is an omnivore?
An organism that eats both plants and animals.
What is a detritivore?
An organism that feeds on the remains of plants and animals.
What is a decomposer?
An organism that breaks down and absorbs organic matter.
What is a food web?
A system of interconnected food chains.
What is a trophic level?
steps in a food web or chain
What is biomass?
living tissue available for energy transfer
What do the arrows point towards in a food web or chain?
consumers
