Topic 7C

• ecosystem: the interaction of all the organisms in a Community and the abiotic conditions of the environment
• Niche: The role of an organism in an ecosystem.
• Carrying capacity: The maximum number of individuals of a species that a particular environment can support.
• Community:population of different species in a habitat
• interspecific competition: competition between individuals of different species for resources or space
• Intraspecific competiton: competition between members of the same species for resources, space, mates, or territory
• Predation: A type of interaction in which one organism eats another
• abundance: number of individuals of one species in a particular area
• Distribution: where the particular species within an area is found/ spread
• total population size= number caught 1st x number caught 2nd

  number marked in 2nd