Study Goals Exam 1 Week 3

Question 1

Acclimatization

Answer 1

Change in an individual’s phenotype occurring in response to a change in natural environmental conditions

Question 2

Acclimation

Answer 2

Acclimatization occurring in a laboratory

Question 3

Adaptation

Answer 3

A heritable trait that increases the fitness of an individual in a particular environment relative to individuals lacking the trait

Question 4

Is evolution occurring now?

Answer 4

Yes, evolution is always happening

Question 5

Explain why this is false: Evolutionary change occurs in organisms

Answer 5

Organisms can change but not evolve, only a population can

Question 6

Explain why this is false: Evolution is goal directed

Answer 6

Adaptations don’t occur because organisms want or need them to

Question 7

Explain why this is false: Evolution perfects organisms

Answer 7

Effectiveness is not guaranteed and complications can still apply

Question 8

What did the Russian fox experiment by Dmitri Belyaev and Lyudmilla Trut suggest about the domestication of dogs and other animals?

Answer 8

Hormones naturally adjust depending on environment, in the wild created stress hormones & domesticated created happy hormones

Question 9

What does Bergman suggest are the implications of the Belyaev and Trut experiment for human evolution?

Answer 9

Domestication can lead to changes in species

Question 10

According to Bergman, how are humans different intelligence-wise from our closest ape relatives? Why would this be an adaptation as discussed in your text?

Answer 10

Copycat mentality, this is an adaptation because we enhance as a population compared to apes who enhance as individuals