Flashcards in SB4 Natural selection and genetic modification Deck (8)
What does "survival of the fittest" mean?
Organisms that are best adapted to their surroundings are more likely to survive
What is the theory of evolution?
The theory of evolution by natural selection explains how species evolve, or change through time, sometimes changing so much that new species are created.
Who came up with the theory of evolution?
Charles Darwin and Alfred Russel Wallace
what is genetic modification also known as?
what is genetic engineering?
Changing the characteristics of an organism by transferring a piece of DNA from one organism to a different organism.
What are some advantages of genetic engineering?
-improve crop yield
-introduce herbicide resistance
-better quality of food
what are some risks of genetic engineering?
-GMO crops could cause allergic reaction in some people