science - adaptation Flashcards
what does competition mean
struggle between different organism to survive
what does evolution mean
the change in species over a long time
what does natural evolution mean
the process by which characteristics that can be passed on in genes becoming more common in a population over time that helps the organism to survive
who made the theory of evolution
Charles darwin
what is biodiversity?
when multiple difference organisms live in one area
what two ways can biodiversity be measured in?
- number of different species within an ecosystem
- the difference between individuals of the same species
what does extinction mean
the process of a species dying out reducing in numbers
what is a gene bank?
a place where you can store genetic material such as seeds that can be used in the future to grow more organisms
what is mass extinction?
the extinction of a large number of species go extinct at the same time
what ways can a species go extinct
1.climate change
2.over hunting
3. overcomsumption
4.diseases
5. habitat destruction
