Unit 2 🧡 Flashcards
What is evolution ?
The theory thqt all species on earth have gradually developed over millions of years from the simplest living things to the complex variety of life we see today.
What is natrual selection
Prosess wher the most adaptable species surives
What is peer review
Where your fellow colleges test and review your theory
What is evidence for Darwin’s theory of evolution
Fossils, DNA analysis, untibotiv resistant bacteria
Defection of extinction
(of a species, family, or other group of animals or plants) having no living members; no longer in existence.
Three theory for the extinction of the dinosaurs
Super volcano, asteroid, climate change
What is biodiversity
The variation of species in certain habitats
What can cause extinction
Disease, loss of habitat, changes to environment, new predators
Theory def
Idea that can be tested
Facts def
Something that is proven by evidence
What can you do to protect stuff from going extinct
Breeding program, conservation and preservation of habitats
How did the giraffes adapt
They got longer necks to reach more plants or long necks were useful for the battle for a mate
Why was Darwin’s theory not accepted right away
It’s challenged the beliefs of god and didn’t have a lot of evidence at the time
Endangered
Number of individual species that are dangerously low
Seed bank
Seeds are stored so that plants can be grown in the fur
Ture
Conservation
Protecting a natural evoiroment to protect a species
