Define population
All the organisms of one species in a habitat
Define habitat
Place where an organism lives
Community
Populations of different species in a habitat make up a community
Ecosystems
All the organisms living in a particular area
Define abiotic conditions
NON-LIVING features
Temp + water
Define ecology
Study of interrelationship between organisms and their environment. Including both non living and living components
Ecological niche
How an organism fits into the environment
Define predation
Predator feed on prey
Abiotic
Non living factor of environment
Biotic
Living ecological factor
Population growth
(Births + immigration) - (deaths + emigration)