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 18 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
YES! Correct, THANKS for helping me on my review

jomama

  • Member
  • Posts: 346
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Cerebral angiography. The four angiograms each reveal the distribution of blood vessels supplying th Cerebral angiography. The four angiograms each reveal the distribution of blood vessels supplying th
George Herbert Mead (1863– 1931) is one of the founders of symbolic interactionism, a major ... George Herbert Mead (1863– 1931) is one of the founders of symbolic interactionism, a major ...
Major Risk Factors for Hypertension Major Risk Factors for Hypertension
Similar Rock Outcrops on Mars and Earth Similar Rock Outcrops on Mars and Earth
The Distribution of Water on Earth The Distribution of Water on Earth
Early Earth Early Earth
Video: Wound Care

For a complete list of videos, visit our video library