« previous next »

Author Question: The legless condition that is observed in several groups of extant reptiles is t (Read 1075 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?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

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?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

History of the number of observed sunspots during the last 250 years, which shows the ~11-year solar History of the number of observed sunspots during the last 250 years, which shows the ~11-year solar
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
Biochem funtional groups Biochem funtional groups
Functional groups Functional groups
Funeral Rituals and Practices among U.S. Cultural Groups Funeral Rituals and Practices among U.S. Cultural Groups
The Distribution of Dominant and Minority Groups The Distribution of Dominant and Minority Groups
Video: The Hypothalamus: The Body's Thermostat (Human Thermostat)

For a complete list of videos, visit our video library