Ecology is the study of the mutual interaction among living organisms and between living organisms and the environment in which they live
Population ecology is the part of ecology that focuses on the factors influencing the population size, growth rate, growth forms and distribution of individuals inside a population
Species: a group of organisms with similar characteristics, which produce fertile offspring
Population: A group of organisms of the same species that are found in a particular area and can crossbreed freely
Community: a group of populations occurring in a particular area
Ecosystem: a unit of plant and animal communities (biotic/living) in interaction with each other as well as with the non-living (abiotic) factors in a particular area
Environment: the external factors, living (biotic) and non-living (abiotic) surrounding an organism and influencing its development and survival
Habitat: the specific environment (home) in which plant or animal species normally occurs.
