wjec by2 key words biodiversity and evolution

HideShow resource information
  • Created by: charlotte
  • Created on: 01-06-13 12:25
biodiversity
is a measure of the number of species on the planet
1 of 9
extinction
the loss of species
2 of 9
species conservation
the protection of plants, animals and the natural enviroment from the damaging effects of human activity
3 of 9
fossil record
when fossils in a particular group are collaberated and give information about how and when they were formed giving a history of the earth
4 of 9
mass extinction
a situation where many species no longer exist
5 of 9
evolution
the way in which living things change over millions of years
6 of 9
natural selection
survival of the fittist. organism which have the best suited facors such as a longer beak for gathering food have an advantage over other smaller beaked species and therefore they mate and the offspring develop these factors and the weaker short beak
7 of 9
selection pressure
a force which causes particular organisms to evolve in a ceirten direction
8 of 9
adaptive radiation
the process by which animals are adapted to different enviroments using there alleles
9 of 9

Other cards in this set

Card 2

Front

the loss of species

Back

extinction

Card 3

Front

the protection of plants, animals and the natural enviroment from the damaging effects of human activity

Back

Preview of the back of card 3

Card 4

Front

when fossils in a particular group are collaberated and give information about how and when they were formed giving a history of the earth

Back

Preview of the back of card 4

Card 5

Front

a situation where many species no longer exist

Back

Preview of the back of card 5
View more cards

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all DNA, genetics and evolution resources »