« previous next »

Author Question: Why is the discovery of the fossil Archaeopteryx significant? It supports the A) (Read 675 times)

federox

  • Sr. Member
  • ****
  • Posts: 308
on: Aug 8, 2013
Why is the discovery of the fossil Archaeopteryx significant? It supports the
A) phylogenetic relatedness of birds and reptiles.
B) contention that birds are much older than we originally thought.
C) claim that some dinosaurs had feathers well before birds had evolved.
D) idea that the first birds were ratites.
E) hypothesis that the earliest birds were ectothermic.


theo

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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Fossil Fuels Energy Yield and Pollutants—Comparison Fossil Fuels Energy Yield and Pollutants—Comparison
Discovery of nonsense-mediated mRNA decay (NMD). Discovery of nonsense-mediated mRNA decay (NMD).
Pathway of Discovery Pathway of Discovery
United States, southwestern and southern states are suffer from a significant decrease in rainfall United States, southwestern and southern states are suffer from a significant decrease in rainfall
The growth in demand for energy use is met by burning fossil fuels The growth in demand for energy use is met by burning fossil fuels
An Ediacaran Fossil An Ediacaran Fossil
Video: Alzheimer's Disease

For a complete list of videos, visit our video library