« previous next »

Author Question: Recent evidence indicates that the first major diversification of multicellular (Read 784 times)

penguins

  • Hero Member
  • *****
  • Posts: 903
on: Jul 12, 2013
Recent evidence indicates that the first major diversification of multicellular eukaryotes may have coincided in time with the
A) origin of prokaryotes.
B) switch to an oxidizing atmosphere.
C) melting that ended the "snowball Earth" period.
D) origin of multicellular organisms.
E) massive eruptions of deep-sea vents.


Millan

  • Sr. Member
  • ****
  • Posts: 368
Reply #1 on: Jul 13, 2013
I know it's C, we did this last week ;)


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

penguins

  • Hero Member
  • *****
  • Posts: 903
Reply #2 on: Jul 18, 2013
Thank you, thank you!!


« previous next »
 

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.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Major parts of a kidney Major parts of a kidney
The major arteries of the body. The major arteries of the body.
Nonpharmacologic Therapies for Major Depression Nonpharmacologic Therapies for Major Depression
Recent Migration Patterns Recent Migration Patterns
Major Elements of the Genitourinary System Major Elements of the Genitourinary System
Some of the major nerves of the human nervous system Some of the major nerves of the human nervous system
Video: New DNA Strand Replication

For a complete list of videos, visit our video library