Question

question 2 (mandatory) (2 points)
__________ are amphibians that most closely resemble early tetrapods in body form
with a long tail and 4 limbs of a similar length.
o a) frogs
b) snakes
c) salamanders
d) toads
question 3 (mandatory) (2 points)
a distinctive characteristic of mammals that is not observed in other vertebrates is
o a) internal fertilization
b) body hair

Explanation:

• Question 2: Salamanders have a body form with a long tail and four limbs of similar length, which closely resembles early tetrapods. Frogs and toads have shorter tails (or no tail in some cases) and limbs of different lengths. Snakes are not amphibians.
• Question 3: Body hair is a distinctive characteristic of mammals. Internal fertilization is also found in some other vertebrates like reptiles.

Answer:

• Question 2: C. Salamanders
• Question 3: B. body hair