1 - intro to biodiversity Flashcards
how many million species are there discovered?
1.7 million
what is biodiversity
a term used to describe all of the different types of living things that make up our natural world
biological criteria (4)
composition
abundance
distribution
extinction risk
types of diversity (3)
structural
species
genetic
structural diversity
physical size, shape and distribution of individuals in an ecosystem
species diversity
variety and number of species in an ecosystem
genetic diversity
genetic variability among individuals and organisms in an ecosystem
what is a species
a group whose members are capable of reproducing with one another under natural conditions
hybridization
crossbreeding can occasionally occur between some species
how many species are there undiscovered + discovered
8.7 million
loss of biodiversity
conservation biologists examine interactions between species and they study threats to species and their habitats
taxonomy
the science of identifying and classifying all organisms (living AND fossil species)
father of taxonomy
carl lannaeus
what did carl linnaeus create
binomial nomenclature
organisms names are composed of
genus + species
