Exam 1

Question 1

What is the Cambrian Explosion?

Answer 1

a great number of species evolved

Question 2

What did the infolding of cellular membrane NOT create?

Answer 2

Mitochondria

Question 3

The group that probably gave rise to chloroplasts is the

Answer 3

cynobacteria

Question 4

Which organelles were probably derived from ancient bacteria?

Answer 4

mitochondria & chloroplast

Question 5

What are biomarkers?

Answer 5

lipids well preserved in rocks that represent living organisms

Question 6

Derived character states shared by clade members are called

Answer 6

synapomorphies

Question 7

What caused the formation of the moon?

Answer 7

a mars size object colliding with early earth

Question 8

What is the purpose of a metabolic pathway?

Answer 8

to generate energy for life processes

Question 9

What are trilobites most closely related to?

Answer 9

arthropods

Question 10

What is the purpose of the Ozone Layer?

Answer 10

to protect life on earth from harmful UV rays from the sun

Question 11

If the ancestor of this phylogeny had vascular tissue and chlorophyll which answer lists all key traits of a ginkgo?

Answer 11

seeds, tree, vascular tissue, & chlorophyll