« previous next »

Author Question: Why is the amniotic egg considered an important evolutionary breakthrough? A) It (Read 691 times)

federox

  • Sr. Member
  • ****
  • Posts: 308
on: Aug 8, 2013
Why is the amniotic egg considered an important evolutionary breakthrough?
A) It has a shell that increases gas exchange.
B) It allows deposition of eggs in a terrestrial environment.
C) It prolongs embryonic development.
D) It provides insulation to conserve heat.
E) It permits internal fertilization to be replaced by external fertilization.


theo

  • Hero Member
  • *****
  • Posts: 698
Reply #1 on: Aug 10, 2013
Answer has to be B, 100% :D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Evolutionary relationships of the modern plant phyla. Evolutionary relationships of the modern plant phyla.
Cooked tarantula spiders are considered a delicacy in Cambodia. Cooked tarantula spiders are considered a delicacy in Cambodia.
ABO Blood Reactions Are Important in Transfusions ABO Blood Reactions Are Important in Transfusions
Geoffroy's tamarin has been considered a subspecies of the similar cottontop tamarin, shown abo Geoffroy's tamarin has been considered a subspecies of the similar cottontop tamarin, shown abo
Healthy Eating Behaviors and Weight Gain Are Important Considerations during the Third Trimester Healthy Eating Behaviors and Weight Gain Are Important Considerations during the Third Trimester
Evolutionary Tree for Chordates Evolutionary Tree for Chordates
Video: Stress and Immune System Animation

For a complete list of videos, visit our video library