History & Natural Selection Review

Question 1

Charles Lyell-

Principle of uniformity-

Answer 1

First introduced the principle of uniformity

• States that “the present is the key to the past”
• Means that the processes that shape the world today are no different from those of the past and happen at the same rate.
• This means the world is very old

Question 2

Jean Lamarck-
use and disuse of organs-
Vestigial-
Acquired trait-
Inheritance of acquired traits-

Answer 2

First proposed the inheritance of acquired traits
Believed organisms changed there organs to adapt to a new environment
Organs that appear to have no function
Could be passed on to an organisms offspring

Question 3

Inheritance of acquired traits-
August Weismann-
Charles Darwin-

Answer 3

?
?
Proposed the theory of evolution

Question 4

Natural Selection-
Adaptation-
Genetic isolation-
Genetic drift-

Answer 4

Environment weeds out the weak
Changing to better fit the environment
A natural Barrier between species that separates them
Elimination of genes of a species by chance

Question 5

Migration-
Mutation-
Meiosis-
Crossover-

Answer 5

Movement of a organism in/out of a population
The gain or loss of genetic information
The reshuffling of genes in each generation
Pass of sister chromatid?

Question 6

Evolution
Devolution
Mutation Theory

Answer 6

General change beyond the genus species; gain in info
Small changes in a genus or species; loss in info
Radom changes in a gene or chromosome, gain or loss in genetic info

Question 7

Hugo DeVries
Peppered moths
finches

Answer 7

?
Black to gray
Short to long and narrow beak

Question 8

Punctuated equilibrium
Convergent evolution
Divergent evolution

Answer 8

The present is key the key to the past
Things become more alike
Things become less alike, becoming different