Ecological niche Flashcards
(14 cards)
what are the three types of ecological niche
realised, intraspecific, interspecific
food chain
link of organims drawn in accordance to their feeding relationships
Food web
Interconnected network of organisms drawn accordance to their feeding relationships
Herbivores
feed on plants and other producers. eg. koala, giraffe
Carnivores
consume other consumers, catch live prey. eg. meerkat, eagle
Parasites
feed on the surface of or from the inside of other organisms. eg. heartworm, mozzie, tick
Scavengers
consume other dead animals. eg. vulture, tasmanian devil
Detritivores
feed on non-living organic material including fruits, remains of dead plants, and animals. eg. millipede, earthworm
decomposers
Break down and then consume non living organic material. eg. Bacterium, fungus
Environmental resistance
the sum of the factors that limit the growth of a population
Density independent
affect population size regardless of the size or density of a population.
Density dependent.
Influence the rate of births and deaths in a popuation
Intraspecific competition
is competition between individuals of the same species.
Competitive exclusion
Is where one species is better at obtaining recources, excluding the other from the available recource and sometimes driving them to extinction.