Author Question: Which of these would a paleontologist be most likely to do in order to determine (Read 610 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?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

For a complete list of videos, visit our video library