« previous next »

Author Question: Reptilian embryos are protected from desiccation by a leathery shell. Similarly, (Read 1112 times)

aero

  • Hero Member
  • *****
  • Posts: 512
on: Jul 25, 2013
Reptilian embryos are protected from desiccation by a leathery shell. Similarly, which pair of structures protects seed plants' embryos and male gametophytes, respectively, from desiccation?
A) ovuleswaxy cuticle
B) ovariesfilaments
C) fruitsstamens
D) pollen grainswaxy cuticle
E) integumentssporopollenin


federox

  • Sr. Member
  • ****
  • Posts: 308
Reply #1 on: Jul 28, 2013
Pick E. 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?

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.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Catbirds and robins reject objects shaped similarly to cowbird eggs no more frequently than objects Catbirds and robins reject objects shaped similarly to cowbird eggs no more frequently than objects
Chicken egg without its shell Chicken egg without its shell
Desiccation cracks Desiccation cracks
Pineapples carry harmful insect shell insects, safe to eat? Pineapples carry harmful insect shell insects, safe to eat?
Bivalve (scallop) with hinged, two-part shell Bivalve (scallop) with hinged, two-part shell
Comparison of Vertebrate Embryos Comparison of Vertebrate Embryos
Video: Muscle Twitch and Muscle Tension - Motor unit size and force

For a complete list of videos, visit our video library