Author Question: Frogs, toads, and salamanders are A) vertebrates. B) chordates. C) amphibians. D) all of ... (Read 48 times)

future617RT

  • Hero Member
  • *****
  • Posts: 543
Frogs, toads, and salamanders are
 
  A) vertebrates.
  B) chordates.
  C) amphibians.
  D) all of the above
  E) both A and C

Question 2

Reptiles were the first animals to
 
  A) have back bones.
  B) lay shell-covered eggs.
  C) be covered by dry scales.
  D) both A and B
  E) both B and C



akudia

  • Sr. Member
  • ****
  • Posts: 347
Answer to Question 1

Answer: D

Answer to Question 2

Answer: E



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

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?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

For a complete list of videos, visit our video library