Biodiversity And Evolution Flashcards
is the term used to describe the number and variety of life found on Earth.
Biodiversity
The end of existence of a group of organisms
Extinction
basic concept in the classification of organism
Species
Is a community of living organism in conjuction with the nonliving components of their environment, interacting as a system
Ecosystem
Is a group of living things within a certain area that are all of the same species
Population
Is a measurement of Population per unit area or unit volume; it is frequently applied to living organisms
Population Density
Three types of biodiversity
Genetic Diversity
Species Diversity
Ecosystem Diversity
pertains to the variation of genes within species.
Genetic Diversity
pertains to the variety and abundance of species within a region
Species Diversity
The varierty of ecosytems within a region
Ecosystem Diversity
is the variety of habitats, the communities found in a geographic location, the beneficial services they provide, and the processes that support the ecosystem.
Ecosystem diversity
Anything that limits the size of population like certain environmental conditions
Limiting factor
When species, population becomes so low that only few remains, the species is considered
Endangered
There’s a particular species that declines so fast that it becomes endangered and it is said to be
Threatened
A species considered to be facing an extremely high risk of extinction in the wild.
Critically endangered