Biodiversity Flashcards
term given to the variety of life on Earth and the natural patterns it forms
biodiversity
This we see today is the product of billions of years of evolution, shaped by natural processes and, increasingly, by the influence of humans
biodiversity
forms the web of life of which we are an integral part and upon which we so fully depend.
biodiversity
is often understood in terms of the wide variety of plants, animals and microorganisms.
biodiversity
so far, this amount of species have been identified which are mostly small creatures such as insects
1.7 million species
– scientists consider that there are actually this much species but a range of 3 to 100 million is given
13 million species
refers to variability among living organisms from all sources including terrestrial, marine, and other aquatic ecosystems and the ecological complexes of which they are part;
biodiversity
Includes diversity within species, between species and of ecosystems
biodiversity
father of Biodiversity
E.O. Wilson
E.O means
Edward Osborne Wilson
“the variety of life at every hierarchical level and spatial scale of biological organizations: genes within populations, population within species, species within communities, communities within landscapes, landscapes within biomes, and biomes within the biospehere”
who said this
E.O. Wilson
defines biodiversity as “the variability among living organisms from all sources including terrestrial, marine and other aquatic ecosystems and the ecological complexes of which they are part; this includes diversity within species, between species and of ecosystems”
the convention of biological diversity
living things could be assigned a hierarchical position on this metaphorical ladder that would represent their degree of perfection
scala naturae
a descriptive or anecdotal treatise on various real or mythical kinds of animals, especially a medieval work with a moralizing tone.
bestiary
refers to the variation of genes within a species
genetic diversity
enables a population to adapt to its environment and to respond to natural selection
genetic diversity
Variety of genetic material within a species or population
genetic diversity
amount of this is the basis of speciation
genetic variation
genetic diversity within a species often increases with this
environmental variablity
refers to the variety of species within a region
species diversity
regarded as distinct units of diversity each playing a specific role in the ecosystem
species
The number and kind of species, and the number of individuals per species vary, leading to greater diversity
species diversity
The number of abundance of species present in different communities
species diversity
refers to the variety of biotic communities, habitats, and ecological processes
community and ecosystem diveristy