Flashcards in Extinction & Speciation Deck (6)
Give reasons why species become extinct.
Environmental changes, new predators, new diseases, competition, catastrophic events and new species develop.
What is a species?
A group of similar organisms that can produce fertile offspring.
What is speciation?
The development of a new species.
What is isolation?
When populations of a species are separated by, for example, a land barrier.
What is natural selection?
Where organisms that are better suited to their environment have a better chance of survival and so are more likely to breed successfully.