UNIT 3: (3.1) Ecosystems Flashcards
what is a ecosystem?
Is the community of organisms living in a habitat and their interactions with the non-living components of the system
what is a habitat?
the place where an organism lives
what is a community?
is all the living organisms in an ecosystem
what is a population?
is a group of living organisms of the one species
what is a species?
is a group of organisms which can interbreed to produce fertile offspring
what is biodiversity?
is the degree of variation that exists among all living organisms on Earth
what is a producer?
is a green plant which makes its own food by photosynthesis
what is a consumer?
is an organism which eats other organisms to gain energy
what is a predator?
An animal which hunts, kills and eats other animals
what is a prey?
an organism that predators kill for food
what is a omnivore?
an animal which eats both plants and animals
what is a carnivore?
an animal which eats other animals (secondary consumer)
what is a herbivore?
an animal which eats plants only (primary consumer)
what does a food chain show?
the linear flow of energy between organisms
what does a food web show?
the energy flow through interconnected food chains in an ecosystem