quiz 12/8

Question 1

Who drew the first cladogram?

Answer 1

Charles Darwin because he was the first to think of evolution.

Question 2

where do you find the common ancestors?

Answer 2

At the nodes

Question 3

humans evolved from chimps?

Answer 3

false, they share a common ancestor with chimps

Question 4

Primitive and derived

Answer 4

derived traits are more recent that primitive.

Question 5

Parsimony Principle

Answer 5

The idea that the simplest explanation

is most likely the best. The tree with the least transitions is the best.

Question 6

Hash Marks

Answer 6

represent transitions along the branches

Question 7

Convergent evolution

Answer 7

when species have similar traits because they have evolved in similar environments.

Question 8

Cladogram/Phylogeny

Answer 8

A visual representation of the evolutionary history of
species; these show which species shared a
common ancestor more recently

Question 9

extinct vs. extant

Answer 9

extinct species are no longer alive (represented at nodes extant species are still alive.

Question 10

Cladograms represent hypotheses
about how evolutionary events led
to extant biodiversity. True or False

Answer 10

True

Question 11

Clades (called monophyletic groups in your book) have

characteristics that are both shared and ___________.

Answer 11

derived