« previous next »

Author Question: Which of the following is an essential characteristic of an index fossil? A) The organism lived ... (Read 195 times)

imanialler

  • Hero Member
  • *****
  • Posts: 539
on: Jul 14, 2018
Which of the following is an essential characteristic of an index fossil?
 
  A) The organism lived in a very specific environment or two, such as tropical volcanic islands.
  B) The organism lived for a very limited period of geologic time.
  C) The fossils of the organism are exceptionally well preserved.
  D) The organism lived on the land, not in the ocean.

Question 2

Using the known rates of radioactive decay to date the crystallization of certain minerals is known as ________ dating.
 
  A) conventional
  B) radiometric
  C) relative
  D) fossil assemblage


234sdffa

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 14, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

imanialler

  • Hero Member
  • *****
  • Posts: 539
Reply #2 on: Jul 14, 2018
Correct answers!


234sdffa

  • Sr. Member
  • ****
  • Posts: 341
Reply #3 on: Jul 14, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Model Organism Drosophila Model Organism Drosophila
Cushing’s syndrome. A photograph of a woman with the characteristic facial features of Cushing’s syn Cushing’s syndrome. A photograph of a woman with the characteristic facial features of Cushing’s syn
Apply L stroke on terminus. Place your index and middle fingers on the left and right terminus; ... Apply L stroke on terminus. Place your index and middle fingers on the left and right terminus; ...
The Glycemic Index of Commonly Eaten Foods The glycemic index of a variety of foods The Glycemic Index of Commonly Eaten Foods The glycemic index of a variety of foods
Essential Fatty Acids Both linoleic acid (an omega-6 fatty acid) and alpha-linolenic acid Essential Fatty Acids Both linoleic acid (an omega-6 fatty acid) and alpha-linolenic acid
Video: Electrocardiogram Examination

For a complete list of videos, visit our video library