This topic contains a solution. Click here to go to the answer

Author Question: The first eukaryotes appear in the fossil record around __________years ago. a. 3.4 billion b. ... (Read 56 times)

ghost!

  • Hero Member
  • *****
  • Posts: 560
The first eukaryotes appear in the fossil record around __________years ago.
 
  a. 3.4 billion
  b. 1.5 billion
  c. 850 million
  d. 600 million

Question 2

Fossil prokaryotes appeared before eukaryotes.
 
  a. True
  b. False



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

deja

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

Answer b

Answer to Question 2

Answer A




ghost!

  • Member
  • Posts: 560
Reply 2 on: Jul 10, 2018
YES! Correct, THANKS for helping me on my review


matt95

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Gracias!

 

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

For a complete list of videos, visit our video library