Question 1

The first hard evidence of life in the form of stromatolites is dated at 3.5 byr ago.

Accepted Answer

A) True 
 B)False

Question 2

The first to have heterodont teeth were the

Accepted Answer

A)  sea urchins 
B)  mammals 
C)  birds 
D)  reptiles

Question 3

The Changjiang Formation is important because it

Accepted Answer

A)  was the first Cambrian era fossil find 
B)  showed early mammal diversity 
C)  was excavated exclusively by Chinese scientists 
D)  shows the first nucleated cell life

Question 4

The first of our phyla, the Chordata, shows up right after the Cambrian period.

Accepted Answer

A) True 
 B)False

Question 5

What do angiosperms have to do with human evolution?

Accepted Answer

The answer of What do angiosperms have to do with...

Question 6

We know when mammals first evolved because they left fossil evidence in the form of

Accepted Answer

A)  four chambered hearts 
B)  heterodont teeth 
C)  warm bloodedness 
D)  new reproductive strategies

Question 7

A tetrapod is known from its four chambered heart.

Accepted Answer

A) True 
 B)False

Exam 4: Macroevolution: First Life to Mammals

The first hard evidence of life in the form of stromatolites is dated at 3.5 byr ago.

The first to have heterodont teeth were the

The Changjiang Formation is important because it

The first of our phyla, the Chordata, shows up right after the Cambrian period.

What do angiosperms have to do with human evolution?

We know when mammals first evolved because they left fossil evidence in the form of

A tetrapod is known from its four chambered heart.