« previous next »

Author Question: Which of the following is an essential characteristic of an index fossil? A) The organism lived ... (Read 196 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?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Fossil of an early invertebrate animal showing bilateral symmetry Fossil of an early invertebrate animal showing bilateral symmetry
A recently discovered fossil of a missing evolutionary link is shown on the right, and a ... A recently discovered fossil of a missing evolutionary link is shown on the right, and a ...
Ten Foundational Essential Oils Ten Foundational Essential Oils
Ten Foundational Essential Oils Cont. Ten Foundational Essential Oils Cont.
Vitamin and minerals are essential for normal body functioning. Vitamin and minerals are essential for normal body functioning.
Video: Protein digestion - stomach & small intestine

For a complete list of videos, visit our video library