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 50 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
Excellent

tandmlomax84

  • Member
  • Posts: 323
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

The Saltwater Crocodile is the largest species of crocodile in the world. The Saltwater Crocodile is the largest species of crocodile in the world.
About 80% of all known mollusc species are gastropods (snails and slugs), including the cowry (a sea About 80% of all known mollusc species are gastropods (snails and slugs), including the cowry (a sea
How Orbital Eccentricity Changes the Amount of Solar Radiation Earth Receives How Orbital Eccentricity Changes the Amount of Solar Radiation Earth Receives
El Anatsui, Between Earth and Heaven. El Anatsui, Between Earth and Heaven.
Earth’s Biomes "الأرض الحيوية" Earth’s Biomes "الأرض الحيوية"
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: Control of ventilation rate by other brain centers (posts, hypothalamus & cerebral cortex)

For a complete list of videos, visit our video library