« previous next »

Author Question: Why is the discovery of the fossil Archaeopteryx significant? It supports the A) (Read 683 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 effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Experiment on newt embryos that led to the discovery of Spemann's organizer. Experiment on newt embryos that led to the discovery of Spemann's organizer.
Possible relationships between fossil and living primates. Possible relationships between fossil and living primates.
Fossil Size Fossil Size
The Energy Yield of Fossil Fuels The Energy Yield of Fossil Fuels
A sidewheeler on the Mississippi. In 1856 Samuel Clemens became an apprentice to a steamboat pilot a A sidewheeler on the Mississippi. In 1856 Samuel Clemens became an apprentice to a steamboat pilot a
Gary Alvis, The Painted Hills, John Day Fossil Beds National Monument, Oregon. Gary Alvis, The Painted Hills, John Day Fossil Beds National Monument, Oregon.
Video: Introduction to Human Immunodeficiency Virus (HIV)

For a complete list of videos, visit our video library