biodiversity 1.1 Flashcards
(14 cards)
biodiversity
a term used to describe all the different types of of living things that make up our natural world
4 biodiversity criteria that scientists study
composition
abundance
distribution
extinction risk
composition in biology means
the number of different species
abundance in biology means
count of individuals in each species
distribution in biology means
how spread out the individuals are
extinction risk in biology means
how many species are threatened or endangered
3 types of diversity
structural/ecosystem
species
genetic
structural/ecosystem diversity
the physical size, shape, and distribution of individuals in an ecosystem
species diversity
the 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 breeding with one another under natural conditions
whats an exception to the rule of how species work?
hybridization - cross breeding that can occasionally occur between two different species
morphology
physical characteristics
conservation biologists- what do they do?- 1.1
they examine interactions between species and study threats