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 63 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
Excellent

adammoses97

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

A plot of trophic diversity across the major groups of organisms shows highest trophic diversity amo A plot of trophic diversity across the major groups of organisms shows highest trophic diversity amo
Major steps in coagulation cascade Major steps in coagulation cascade
Major Structures of the Human Brain Major Structures of the Human Brain
The Oceans of Earth The Oceans of Earth
Gravitational Potential Energy for the Earth problem Gravitational Potential Energy for the Earth problem
Major cell cycle checkpoints Major cell cycle checkpoints
Video: Type of Cell Junctions - Desmosome, Hemidesmosomes and Gap Junctions

For a complete list of videos, visit our video library