Author Question: Frogs, toads, and salamanders are A) vertebrates. B) chordates. C) amphibians. D) all of ... (Read 61 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?

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?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

For a complete list of videos, visit our video library