darwins theory

Question 1

what is the cause of genetic variations?

Answer 1

mutations

Question 2

how do adaptations help for survival?

Answer 2

responses by an organism to help with survival and reproduction, responses made by an organism that will help it survive/reproduce, structural features of organisms body for survival/reproduction

Question 3

how does natural selection allow some organisms to survive better than others?

Answer 3

traits passed down allow organisms to adapt to the environment better than other organisms of the same species

Question 4

how can natural selection lead to the evolution of new species?

Answer 4

organisms that are more adapted to their environment are more likely to survive and pass on the genes that aided their success

Question 5

what is an example of evolution that supports Darwins theory?

Answer 5

the evolution of bacteria

Question 6

one feature that Darwin discovered with Finches on different islands

Answer 6

different beaks of the same species for them to adapt to their different environments - different foods

Question 7

how frequently do bacteria evolve?

Answer 7

every 20 minutes

Question 8

what is the problem with the evolution of bacteria?

Answer 8

bacteria is becoming resistant to antibiotics (superbug)