« previous next »

Author Question: Which of the following were probably factors that permitted early plants to succ (Read 1034 times)

Sandstorm

  • Sr. Member
  • ****
  • Posts: 268
on: Jul 22, 2013
Which of the following were probably factors that permitted early plants to successfully colonize land?
1.    the relative number of potential predators (herbivores)
2.    the relative number of competitors
3.    the relative availability of symbiotic partners
4.    air's relative lack of support, compared to water's support
A) 1 and 2
B) 2 and 3
C) 3 and 4
D) 1, 2, and 3
E) 1, 2, and 4


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
Perfect! :D


« previous next »
 

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Some of the bacteria that can fix atmospheric nitrogen, converting it into a form usable by plants. Some of the bacteria that can fix atmospheric nitrogen, converting it into a form usable by plants.
Plants Plants
Plants Plants
Factors for Tolerance Intervals Factors for Tolerance Intervals
During G0 and early G1, pRB interacts with and inactivates transcription factor E2F During G0 and early G1, pRB interacts with and inactivates transcription factor E2F
Skeletal Elements of Early Reptile Skeletal Elements of Early Reptile
Video: Stroke volume

For a complete list of videos, visit our video library