« previous next »

Author Question: If humans had been present to build log structures during the Carboniferous peri (Read 1807 times)

Sandstorm

  • Sr. Member
  • ****
  • Posts: 268
on: Jul 22, 2013
If humans had been present to build log structures during the Carboniferous period (they weren't), which plant types would have been suitable sources of logs?
A) whisk ferns and epiphytes
B) horsetails and bryophytes
C) lycophytes and bryophytes
D) ferns, horsetails, and lycophytes
E) charophytes, bryophytes, and gymnosperms


Hungry!

  • Hero Member
  • *****
  • Posts: 1,071
Reply #1 on: Jul 24, 2013
Try D, I remember this on my test last week. I'm sure I got it right ;)


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Sandstorm

  • Sr. Member
  • ****
  • Posts: 268
Reply #2 on: Jul 31, 2013
Big respects :D Best homework site every.


« previous next »
 

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

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.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Identify the structures shown below by filling in the blanks. Identify the structures shown below by filling in the blanks.
The Principal Internal Structures of a Multipolar Neuron The Principal Internal Structures of a Multipolar Neuron
Everyday situations sometimes present opportunities for children to build information processing ... Everyday situations sometimes present opportunities for children to build information processing ...
Structures of the major types of asparagine-linked (N-linked) oligosaccharides Structures of the major types of asparagine-linked (N-linked) oligosaccharides
Structures of a few typical eukaryotic promoters Structures of a few typical eukaryotic promoters
Internal structures of the female pelvis for landmarks Internal structures of the female pelvis for landmarks
Video: Glucose Evaluation Procedure

For a complete list of videos, visit our video library