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

Author Question: Approximately what proportion of all species that ever existed on earth are still in existence? ... (Read 34 times)

ts19998

  • Hero Member
  • *****
  • Posts: 531
on: Jun 22, 2018
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
Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: B


ts19998

  • Member
  • Posts: 531
Reply 2 on: Jun 22, 2018
YES! Correct, THANKS for helping me on my review

scikid

  • Member
  • Posts: 300
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

The effects of beak depth on song among different species of Galapagos finches. The effects of beak depth on song among different species of Galapagos finches.
Keystone species. Keystone species.
Earth with Rings Earth with Rings
The Taung Child, the first of the australopithecines to be discovered, is the type specimen for Aust The Taung Child, the first of the australopithecines to be discovered, is the type specimen for Aust
The Means and Extremes of a Proportion The Means and Extremes of a Proportion
When viewed from the Earth, Venus subtends an angle of about 1 arcminute (1/60°) when it is at ... When viewed from the Earth, Venus subtends an angle of about 1 arcminute (1/60°) when it is at ...
Video: Pressure Flow Model Animation

For a complete list of videos, visit our video library