Evolution

Question 1

changes in species over a period of time

Answer 1

evolution

Question 2

All life has a ____cellular common ancestor who lived in the ____

Answer 2

unicellular, ocean

Question 3

Darwins 5 parts of his theory of natural selection

Answer 3

Overproduction, environment selects traits, survival of the fittest, variation, competition

Question 4

Variations are created by…

Answer 4

Meiosis, Crossing over, recombination, fertilization

Question 5

homologous structures

Answer 5

organisms with similar bone structures, might indicate a relationship but is not concrete evidence

Question 6

Chromatography

Answer 6

Separates the molecules in the pigments of organisms (think plant lab with the red, green, or yellow on the paper)

Question 7

Gel electrophoresis

Answer 7

Separates DNA fragments based on length to create a banding pattern

Question 8

Lamark

Answer 8

Acquired traits are passed down-proved wrong

Question 9

How does Sexual Reproduction contribute to mutations?

Answer 9

Recombination, meiosis, crossing over

Question 10

Allopatric specieation

Answer 10

Species becoming geographically isolated and cannot mate together anymore

Question 11

Sympatric Speciation

Answer 11

Members of a population cannot mate together anymore even though they live in the same area. This is due to mutations, desire to find a new role in environment

Question 12

Temporal isolation

Answer 12

Species can’t mate because they mate at diff times of day or seasons (sym)

Question 13

Behavioral isolation

Answer 13

Species have different mating rituals and cannot mate (sym)