Ecosystems Flashcards
Species
A species or organisms that are able to interbreed and produce fertile offspring
biodiversity
The variety and the abundance of different living things in an area
ecosystem
An ecosystem is a naturally occurring unit made up of all living things in a particular area (community) and their non living environment
what is an abiotic factor
non living factors which affect the community
which is biotic factors
living factors which affect the community
producers
green plants containing chlorophyll which can make their own food by photosynthesis
consumers
a living organism which feeds on other living organisms to obtain its source of energy
herbivore
an animal which feeds on only plants
carnivore
an animals which feeds only on other animals
herbivore
i an animal which feeds on a mixture of plants and animals
predator
an animal which hunts other animals for food
prey
an animals which is hunted by other animals
Food chain
A sequence of feeding relationships between organisms showing the movements of energy between trophiclevels
food web
a network of food chains showing how they all hunt together
What is a niche
A niche is a role that an organism plays within a community. It relates to the resources it requires in its ecosystem, such as light and nutrient availability and it’s interactions with organisms in the community.
