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 126 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
Excellent


lkanara2

  • Member
  • Posts: 329
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

For a complete list of videos, visit our video library