« previous next »

Author Question: Why is the discovery of the fossil Archaeopteryx significant? It supports the A) (Read 665 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?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

The size of the antlers play a significant role in establishing the hierarchy in the group The size of the antlers play a significant role in establishing the hierarchy in the group
Eryma mandelslohi, a fossil decapod from the Jurassic of Bissingen an der Teck, Germany Eryma mandelslohi, a fossil decapod from the Jurassic of Bissingen an der Teck, Germany
Alexander Fleming photographed in his lab where he observed the natural competition between a fungus Alexander Fleming photographed in his lab where he observed the natural competition between a fungus
The fossil record of chimpanzees is sparse. The femur from Kikongo, Uganda (c) may represent a late The fossil record of chimpanzees is sparse. The femur from Kikongo, Uganda (c) may represent a late
Clinically Significant Drug-Disease Interactions in Dentistry Clinically Significant Drug-Disease Interactions in Dentistry
Archaeopteryx. Archaeopteryx.
Video: A timeline of the teeth (Explained - No Audio)

For a complete list of videos, visit our video library