This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which of Earth's major extinctions was the most extensive, eliminating 70 percent of all terrestrial ... (Read 55 times)

cagreen833

  • Hero Member
  • *****
  • Posts: 544
on: Jul 15, 2018
Which of Earth's major extinctions was the most extensive, eliminating 70 percent of all terrestrial organisms and up to 95 percent of marine organisms?
 
  A) Cambrian Explosion
  B) Permian Extinction
  C) Cretaceous Extinction
  D) Late Devonian Extinction

Question 2

When did the first terrestrial plants appear on the land surface?
 
  A) 400 million years ago
  B) 327 million years ago
  C) 225 million years ago
  D) 65 million years ago


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Shshxj

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 15, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: A


cagreen833

  • Member
  • Posts: 544
Reply 2 on: Jul 15, 2018
Wow, this really help

31809pancho

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

The Major Cleavage Patterns of Animal Embryos The Major Cleavage Patterns of Animal Embryos
Rhombus major Rhombus major
Earth-Sun Relationships Earth-Sun Relationships
Major Minerals Major Minerals
The Last Man on Earth The Last Man on Earth
Convert percent to Fraction Convert percent to Fraction
Video: Monohybrid crosses

For a complete list of videos, visit our video library