Exam 1 extra

Question 1

Ribozymes

Answer 1

-Likely first thing
-Has a phenotype and a genotype

Question 2

Morphological data

Answer 2

-You can see it
-Make phylogeny from it

Question 3

Molecular data

Answer 3

-DNA
-Fossils can’t have DNA

Question 4

Darwin and pigeons

Answer 4

-Darwin used pigeons to test artificial selection

Question 5

Oldest fossil

Answer 5

35 billion years

Question 6

Limiting resource in sexual selection

Answer 6

-Mates for males
-Eggs for females

Question 7

Fossil species method vs living

Answer 7

-Morphological

-Morphological and molecular

Question 8

Plates moving and shifting

Answer 8

-Causes earthquakes, volcanoes, mountain ranges

Question 9

Extinction

Answer 9

Disappears forever

Question 10

Mass extinction

Answer 10

-Dramatic loss
-Loss of >60% diversity in less than a million years

Question 11

Fossil stromatolites

Answer 11

Banded pattern

Question 12

Life

Answer 12

-Something that can store and transmit info
-Can express information
(Genotype and phenotype)

Question 13

HIV

Answer 13

-Can make DNA from RNA, DNA inserted into host and replicated

Question 14

AZT

Answer 14

-Treatment for HIV
-Changes OH group to N3 so new base pairs aren’t added
-Mutations can make some virus particles immune to this change so they keep replicating

Question 15

Population

Answer 15

Set of individuals that have the ability to produce gametes