1. explain why / how dramatic climate change in the African RiftValley affected the evolution of brain size. be specific
2. explain why differences in skin pigmentation in humanpopulations can be explained by the theory of evolution and naturalselection. Be sure to discuss BOTH the evolutionary implications /benefits of light skin pigmentation AND dark skin pigmentation.
3.Which of the followingtechniques is required to clone animals?
a) adult stem cells
b) therapeutic cloning
c) induced pluripotent stem cells
d) somatic nuclear cell transfer
4.Which of the followingstatements about natural selection is TRUE?
a) Natural selection is a randomprocess.
b) Natural selection acts on phenotypesthat are controlled by genes.
c) Natural selection changes thefrequency of alleles in an individual.
d) Natural selection operatesindependently of the environment.
5. Which of the following BEST describes who Mitochondrial Evewasâ¦
a) An African maternal ancestor of allhumanity today.
b) The only female that lived in Africamany years ago.
c) A female that is our ancestor fromAsia.
d) The first female to migrate out ofAfrica.
1. explain why / how dramatic climate change in the African RiftValley affected the evolution of brain size. be specific
2. explain why differences in skin pigmentation in humanpopulations can be explained by the theory of evolution and naturalselection. Be sure to discuss BOTH the evolutionary implications /benefits of light skin pigmentation AND dark skin pigmentation.
3.Which of the followingtechniques is required to clone animals?
a) adult stem cells
b) therapeutic cloning
c) induced pluripotent stem cells
d) somatic nuclear cell transfer
4.Which of the followingstatements about natural selection is TRUE?
a) Natural selection is a randomprocess.
b) Natural selection acts on phenotypesthat are controlled by genes.
c) Natural selection changes thefrequency of alleles in an individual.
d) Natural selection operatesindependently of the environment.
5. Which of the following BEST describes who Mitochondrial Evewasâ¦
a) An African maternal ancestor of allhumanity today.
b) The only female that lived in Africamany years ago.
c) A female that is our ancestor fromAsia.
d) The first female to migrate out ofAfrica.