« previous next »

Author Question: Which of the following is an essential characteristic of an index fossil? A) The organism lived ... (Read 149 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?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Flower part number is a characteristic difference between monocots and eudicots Flower part number is a characteristic difference between monocots and eudicots
Eryma mandelslohi, a fossil decapod from the Jurassic of Bissingen an der Teck, Germany Eryma mandelslohi, a fossil decapod from the Jurassic of Bissingen an der Teck, Germany
Cofactors, Vitamins, and Essential Metals Cofactors, Vitamins, and Essential Metals
Essential Foundations of Economics Plus Essential Foundations of Economics Plus
Four essential organic compounds Four essential organic compounds
The phenotype of an organism is the product of interactions The phenotype of an organism is the product of interactions
Video: ACTH/Cortisol (glycogenolysis, protein catabolism, lipolysis and gluconeogenesis)

For a complete list of videos, visit our video library