Topic 5 Ecology Voaculary Words Flashcards
habitat
The environment in which a species normally lives or the location of a living organism
species
A group of organisms that can interbreed and produce fertile offspring
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 it’s abiotic environment
ecology
The study of relationships between living organisms and their environment
autotrophs
An organism that synthesizes its organic molecules from simple inorganic substance
heterotrophs
An organism that obtains organic molecules from other organisms
consumers
An organism that ingests other organic matter that is living or recently killed
detritivores
An organism that ingests non-living organic matter
saprotrophs
An organism that Ives on or in non-living organic matter, secreting digestive enzymes into it and absorbing the products of digestion
food chain
sequence showing the feeding relationships and energy flow between species
food web
An interconnecting series of food chains
trophic level
An organism’s position in the food chain
natality
The number of new members of species due to reproduction
