Key area 1- Ecosystems Flashcards
What is a a species?
A species is a group of organisms which can interbreed and produce fertile offspring.
What is biodiversity?
The range (variety/number) of species within an ecosystem.
What is population?
The total number of living organisms of one type (species) living in a habitat.
What is a habitat?
The place where an organism lives e.g. in water, in soil, trees etc.
What is a community?
All the organisms (e.g. plants, animals and micro-organisms) that live in a particular area.
What is an ecosystem?
All the organisms (the community) living in a particular habitat and the non-living components with which the organisms interact.
Sometimes written as: Community + habitat
What is a niche?
A niche is the role that an organism plays within a community.
What is a producer?
An organism that can produce its own food.
What is a predator?
An animal that hunts and eats other animals.
What is a consumer?
An animal that eats other organisms.
What is a herbivore?
An animal which eats only plants.
What is a carnivore?
An animal which eats only animals.
What is prey?
An animal which is hunted and eaten by other animals.
What is a decomposer?
An organism which feeds on dead organisms.
What is an omnivore?
An animal which eats plants and animals.
