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

Author Question: The first evidence of multicellular organisms is about _______ million years old. a. 670. b. ... (Read 79 times)

Chelseaamend

  • Hero Member
  • *****
  • Posts: 545
on: Jun 22, 2018
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
Reply #1 on: Jun 22, 2018
Answer to Question 1

A

Answer to Question 2

C


Chelseaamend

  • Member
  • Posts: 545
Reply 2 on: Jun 22, 2018
Wow, this really help

rachel

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Evidence of Water on Mars Evidence of Water on Mars
Bloodstained evidence. Bloodstained evidence.
The first generation of model organisms in genetic analysis The first generation of model organisms in genetic analysis
Population age 65 and over and age 85 and over, selected years 1900-2008 and projected 2010-2050. Population age 65 and over and age 85 and over, selected years 1900-2008 and projected 2010-2050.
Earth 150 Million Years Ago Earth 150 Million Years Ago
Video: Labor and Childbirth - The Three Stages of Labor: Dilation, Expulsion & Placental مراحل الولادة

For a complete list of videos, visit our video library