This topic contains a solution. Click here to go to the answer

Author Question: Approximately what proportion of all species that ever existed on earth are still in existence? ... (Read 76 times)

ts19998

  • Hero Member
  • *****
  • Posts: 531
Approximately what proportion of all species that ever existed on earth are still in existence?
 
  A) about 61
  B) about 31
  C) about 7.5
  D) less than 1
  E) about 19

Question 2

The last surviving hominin species is
 
  A) Australopithecus.
  B) Homo sapiens.
  C) prosimians.
  D) lemurs.
  E) tree shrews.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mjbamaung

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

Answer: D

Answer to Question 2

Answer: B




ts19998

  • Member
  • Posts: 531
Reply 2 on: Jun 22, 2018
Great answer, keep it coming :)


phuda

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Excellent

 

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

For a complete list of videos, visit our video library