« previous next »

Author Question: What is an index fossil? A) An organism that existed for a vast period of time and is ... (Read 56 times)

big1devin

  • Hero Member
  • *****
  • Posts: 583
on: Jul 16, 2018
What is an index fossil?
 
  A) An organism that existed for a vast period of time and is representative of an era
  B) An organisms that is restricted to one small, geographic setting
  C) A trace fossil that defines a colony of organisms
  D) An organism that was geographically widespread but limited to a short span of geologic time

Question 2

________ was the English engineer and canal builder who observed that sedimentary strata in widely separated areas could be identified by their distinctive fossil assemblages.
 
  A) Isaac Newton
  B) William Smith
  C) Charles Lyell
  D) Charles Darwin


jasonq

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

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?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

A fossil ammonite. A fossil ammonite.
Fossil Fuels Energy Yield and Pollutants—Comparison Fossil Fuels Energy Yield and Pollutants—Comparison
Older adulthood can be a time of independence and exploration as responsibilities diminish and the ... Older adulthood can be a time of independence and exploration as responsibilities diminish and the ...
Science versus religion: What accounts for the conflict and tension that have existed between them? Science versus religion: What accounts for the conflict and tension that have existed between them?
Insecticide application over time Insecticide application over time
Body Mass Index (IBM) Body Mass Index (IBM)
Video: Activation Energy - Valence Electrons

For a complete list of videos, visit our video library