« previous next »

Author Question: The seeds of orchids are among the smallest known, with virtually no endosperm a (Read 879 times)

aero

  • Hero Member
  • *****
  • Posts: 512
on: Jul 25, 2013
The seeds of orchids are among the smallest known, with virtually no endosperm and with miniscule seed leaves. Consequently, what should one expect to be true of such seeds?
A) They require extensive periods of dormancy during which the embryo develops.
B) They are surrounded by brightly colored, sweet fruit.
C) They germinate very soon after being released from the ovary.
D) The developing embryo within is dependent upon the gametophyte for nutrition.
E) The sporophytes that produce such seeds are wind-pollinated.


federox

  • Sr. Member
  • ****
  • Posts: 308
Reply #1 on: Jul 28, 2013
Pick C. Bye for now.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

aero

  • Hero Member
  • *****
  • Posts: 512
Reply #2 on: Aug 6, 2013
Thanks sooo much ;D I hate mastering biology


« previous next »
 

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Conifer seeds. Conifer seeds.
Structure of eudicot and monocot seeds Structure of eudicot and monocot seeds
Smallest Snake Smallest Snake
Orchids Orchids
Sunflower Seeds (Nutrients) Sunflower Seeds (Nutrients)
During drought years on the Galapagos, small, easily eaten seeds become rare, le During drought years on the Galapagos, small, easily eaten seeds become rare, le
Video: Cytotoxic T cell receptors, activation, proliferation, differentiation & action

For a complete list of videos, visit our video library