« previous next »

Author Question: Most angiosperms have alternate phyllotaxy. What allows each leaf to get the max (Read 610 times)

Hungry!

  • Hero Member
  • *****
  • Posts: 1,071
on: Aug 13, 2013
Most angiosperms have alternate phyllotaxy. What allows each leaf to get the maximum exposure to light and reduces shading of lower leaves?
A) a leaf area index above 8
B) self-pruning
C) one leaf only per node
D) leaf emergence at an angle of 137.5°F from the site of previous leaves
E) a leaf area index above 8 and leaf emergence at an angle of 137.5°F from the site of previous leaves


j_sun

  • Sr. Member
  • ****
  • Posts: 384
Reply #1 on: Aug 31, 2013
Pick D, i got it right :P


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Hungry!

  • Hero Member
  • *****
  • Posts: 1,071
Reply #2 on: Jun 23, 2014
Awesome! Thank you ;D


« previous next »
 

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Elle and associates investigated the cost to Datura wrightii of producing sticky leaf trichomes. Elle and associates investigated the cost to Datura wrightii of producing sticky leaf trichomes.
Leaf Cell Leaf Cell
Leaf Structure Leaf Structure
Alternate sites that can be used to create a new opening (-ostomy) in the colon. Alternate sites that can be used to create a new opening (-ostomy) in the colon.
Silver leaf tree Silver leaf tree
Using the palm, apply oil with butterfly strokes across the chest. Alternate hands and move across ... Using the palm, apply oil with butterfly strokes across the chest. Alternate hands and move across ...
Video: Proteins

For a complete list of videos, visit our video library