Evolution

Question 1

What is a gene pool?

Answer 1

the total of all alleles in a population

Question 2

What is evolution?

Answer 2

A change in the gene pool

Question 3

Classification system for animals is in which order?

Answer 3

Kingdom, phylum, class, order, family, genus, species

Question 4

what is speciation?

Answer 4

the process by which new species are formed

Question 5

what is an evolutionary bottleneck?

Answer 5

a species may face a crisis so severe as to cause a shift in the allelic frequencies of the survivors

Question 6

What is divergent evolution?

Answer 6

when 2 or more species evolving from the same group maintain a similar structure from the common ancestor ( called a homologous structure)

Question 7

Convergent evolution?

Answer 7

two species can independently evolve similar structures ( analogous )- ex wings evolved by bats and birds , the two do not share a common ancestor

Question 8

Symbiosis

Answer 8

symbiosis is a relationship between two species

Question 9

Mutualism..

Answer 9

when the relationship is beneficial for both species

Question 10

Commensalism

Answer 10

Beneficial for one and docent affect the other

Question 11

Parasitism

Answer 11

beneficial to one and detrimental to the other