Evolution Darwin's Points Miniquiz

Question 1

what are the four forces that darwin thought could cause changes in organisms over time (in order)?

Answer 1

overproduction, genetic variation, struggle to survive, differential reproduction

Question 2

describe overproduction

Answer 2

more individuals are produced than environment, which has limited resources can support (only some of offspring will end up surviving and reproducing in each generation)

Question 3

describe genetic variation

Answer 3

within a population, individals inherit different genes, therefore they have different traits

Question 4

describe struggle to survive

Answer 4

individuals must compete with each other in “struggle for existence”. some traits imrpove an individuals’ chance to survive and reproduce, others reduce this chance

Question 5

describe differential reproduction

Answer 5

organisms who inherit the adaptations (favorable traits) are most likely to survive and reproduce; over time, through inheritance, the adaptations will become more frequent in the population