Bioninja chapter 5

5.1.1  Define species, habitat, population, community, ecosystem and ecology

Species:  A group of organisms that can interbreed and produce fertile, viable offspring

Habitat:  The environment in which a species normally lives or the location of a living organism

Population:  A group of organisms of the same species who live in the same area at the same time

Community:  A group of populations living and interacting with each other in an area

Ecosystem:  A community and its abiotic environment

Ecology:  The study of relationships between living organisms and between organisms and their environment

5.1.2  Distinguish between autotroph and heterotroph

Autotroph:  An organism that synthesises its organic molecules from simple inorgance substances (e.g.

CO₂ and nitrates) - autotrophs are producers

Heterotroph:  An organism that obtains organic molecules from other organisms - heterotrophs are consumers

5.1.3  Distinguish between consum