« previous next »

Author Question: Structures as different as human arms, bat wings, and dolphin flippers contain m (Read 766 times)

hummingbird

  • Sr. Member
  • ****
  • Posts: 324
on: Jul 7, 2013
Structures as different as human arms, bat wings, and dolphin flippers contain many of the same bones, these bones having developed from very similar embryonic tissues. How do biologists interpret these similarities?
A) by identifying the bones as being homologous structures
B) by the principle of convergent evolution
C) by proposing that humans, bats, and dolphins share a common ancestor
D) Three of the statements above are correct.
E) Two of the statements above are correct.


Celeste

  • Hero Member
  • Posts: 588
Reply #1 on: Jun 19, 2019
E


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

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.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Structures of a cell. Structures of a cell.
The supralaryngeal airway in a chimpanzee and a human. The supralaryngeal airway in a chimpanzee and a human.
Formation of membrane attack stage of complement. C3b containing structures (see above) on the ... Formation of membrane attack stage of complement. C3b containing structures (see above) on the ...
Comparison of DNA polymerase structures with primer and template bound Comparison of DNA polymerase structures with primer and template bound
Human Anatomy Human Anatomy
Selected Broad Sense Heritability (H2) Values from Human Twin Studies Selected Broad Sense Heritability (H2) Values from Human Twin Studies
Video: Parkinson's Disease

For a complete list of videos, visit our video library