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

Author Question: The first evidence of multicellular organisms is about _______ million years old. a. 670. b. ... (Read 134 times)

Chelseaamend

  • Hero Member
  • *****
  • Posts: 545
The first evidence of multicellular organisms is about _______ million years old.
 
  a. 670.
  b. 25.
  c. 100
  d. 520.

Question 2

Homo erectus had a pronounced ___________.
 
  a. Pelvic girdle.
  b. Chest cavity.
  c. Brow ridge.
  d. Chin.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

juiceman1987

  • Sr. Member
  • ****
  • Posts: 316
Answer to Question 1

A

Answer to Question 2

C




Chelseaamend

  • Member
  • Posts: 545
Reply 2 on: Jun 22, 2018
YES! Correct, THANKS for helping me on my review


peter

  • Member
  • Posts: 330
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

For a complete list of videos, visit our video library