Exam 2

Question 1

What is punctuated equilibrium?

Question 2

What is heterochrony?

Answer 2

Genetically controlled difference in the timing, raet, or duration of a developmental process

Question 3

What is philology?

Question 4

What is intrasexual selection?

Answer 4

Members of the same sex competing for mates

Question 5

What is disrputive selection?

Answer 5

Selection that favors homozygous alleles

Question 6

What is stabilizing selection?

Answer 6

Favoring intermediate traits

Question 7

What is directional selection?

Answer 7

Favoring extremes

Question 8

What is habitat differentiation?

Question 9

What is hybridization?

Question 10

Place the following events in order: Origin of plants, cambrian explosion, coloniazation of land, prokaryotes evolve

Answer 10

prokaryotes evolve, Origin of plants, cambrian explosion, coloniazation of land,

Question 11

What is pedomorphosis?

Answer 11

When indivisuals retain their less developed traits into adulthood

Question 12

What lengths of time are the longest to shortest?

Answer 12

Eon, epoch, era, period

Question 13

What is hybrid breakdown?

Answer 13

When the first generation of a hybrid is unable to survive in the wild

Question 14

Which came first- plastids or mitochondria?

Answer 14

Mitochondria

Question 15

What is the difference between techniques in carbon and molecular dating?

Question 16

What do polyphyletic groups contain?

Answer 16

All parent organisms of species

Question 17

How many eons span human history?

Answer 17

4

Question 18

What is the equation for hardy weinberg?

Answer 18

p^2+2pq+q^2