« previous next »

Author Question: Reptilian embryos are protected from desiccation by a leathery shell. Similarly, (Read 1126 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?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Cambrian trilobite, with a shell made of calcium carbonate. Cambrian trilobite, with a shell made of calcium carbonate.
Green-glowing genetically modified mice embryos Green-glowing genetically modified mice embryos
Reptilian Brain or Instinctive Brain Promote Understanding of Human Behavior Reptilian Brain or Instinctive Brain Promote Understanding of Human Behavior
A spark tester looks like a regular spark plug with an alligator clip attached to the shell. This ... A spark tester looks like a regular spark plug with an alligator clip attached to the shell. This ...
Pineapples carry harmful insect shell insects, safe to eat? Pineapples carry harmful insect shell insects, safe to eat?
Video: ACTH/Cortisol (glycogenolysis, protein catabolism, lipolysis and gluconeogenesis)

For a complete list of videos, visit our video library