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 127 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
Gracias!

nathang24

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

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?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Model organisms used to study the genetics of development Model organisms used to study the genetics of development
As sessile organisms, plants have evolved many mechanisms to mitigate the potential damage of abioti As sessile organisms, plants have evolved many mechanisms to mitigate the potential damage of abioti
Model for evidence-based clinical decision making. Model for evidence-based clinical decision making.
Ngandong calottes from Java are the youngest H. erectus fossils at perhaps 27,000-50,000 years old. Ngandong calottes from Java are the youngest H. erectus fossils at perhaps 27,000-50,000 years old.
Four kinds of evidence supporting the theory that species evolve. Four kinds of evidence supporting the theory that species evolve.
Earth 240 Million Years Ago Earth 240 Million Years Ago
Video: Mechanisms of capillary exchange (transcytosis & bulk flow)

For a complete list of videos, visit our video library