Author Question: Which of these would a paleontologist be most likely to do in order to determine (Read 569 times)

federox

  • Sr. Member
  • ****
  • Posts: 308
Which of these would a paleontologist be most likely to do in order to determine whether a fossil represents a reptile or a mammal?
A) Look for the presence of milk-producing glands.
B) Look for the mammalian characteristics of a four-chambered heart and a diaphragm.
C) Because mammals are eutherians, look for evidence of a placenta.
D) Use molecular analysis to look for the protein keratin.



theo

  • Hero Member
  • *****
  • Posts: 698

Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

For a complete list of videos, visit our video library