« previous next »

Author Question: The legless condition that is observed in several groups of extant reptiles is t (Read 1047 times)

geoffrey

  • Hero Member
  • *****
  • Posts: 880
on: Jul 14, 2013
The legless condition that is observed in several groups of extant reptiles is the result of
A) their common ancestor having been legless.
B) a shared adaptation to an arboreal (living in trees) lifestyle.
C) several instances of the legless condition arising independently of each other.
D) individual lizards adapting to a fossorial (living in burrows) lifestyle during their lifetimes.


penguins

  • Hero Member
  • *****
  • Posts: 903
Reply #1 on: Jul 15, 2013
Easy! It's C. Bye for now :D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

geoffrey

  • Hero Member
  • *****
  • Posts: 880
Reply #2 on: Jul 15, 2013
Thanks so much, the answer you provide was right on!


« previous next »
 

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Aurora australis observed from the Space Shuttle Discovery, on STS-39, May 1991 (orbital altitude: 2 Aurora australis observed from the Space Shuttle Discovery, on STS-39, May 1991 (orbital altitude: 2
Intussusception. The condition is caused by an infolding of the small intestine, which often causes Intussusception. The condition is caused by an infolding of the small intestine, which often causes
Secondary Groups Secondary Groups
The areas in which reading-associated increases in activity were observed in the fMRI study of ... The areas in which reading-associated increases in activity were observed in the fMRI study of ...
Major groups of forest biomes Major groups of forest biomes
Functional Groups of Carbon Functional Groups of Carbon
Video: Buffers definition and the role of buffer in the body

For a complete list of videos, visit our video library