Biodiversity Flashcards
biotic factors are the…
Given an example…
living components of a ecosystem
producers, consumers, decomposers
abiotic factors are the…
Give an example…
non-living components of an ecosystem
water, nutrients, sunlight, temprature
community refers to..
a group of organisms that interact within and ecosystem
A population is…
group of organisms of one species in a particular location at a particular time
Species are..
a group of individuals that are capable of interbreeding with each other but not with members of another species
producers are autotrophs that …
synthesis organic matter from inorganic materials such as carbon dioxide and water (photosynthesis)
Consumers are heterotrophs that…
obtain organic matter by consuming plants and other animals.
Mutualism describes…
any interaction that benefits both species.
Commensalism describes…
an interactions between species in which one species benefits, and the other is unaffected.
Competition describes…
a type of interaction in which two species each have a harmful influence on the other.
Predator - prey describes…
interactions which involve one species (the predator) benefiting from the interaction at the expense of the second species (prey).
The term biodiversity refers to …
the variety of species of living organisms in their natural environment.
Genetic diversity refers to…
the variation in the number and types of genes that are expressed by individuals within a population or species.
Genetic variation is necessary for species to…
continue to produce fertile offspring, resist disease, change over time in response to changing environmental conditions.