Which statement is not true?
a) fish, birds, reptiles, amphibians, and mammals are all members of the subphylum vertebrata.
b) reptiles, birds, and some mammals produce amniote eggs.
c) reptiles are better adapted for life on land than amphibians.
d) whales are members of the mammalian order cetacea.
e) mark e if all statements are true.

b) Reptiles, birds, and some mammals produce amniote eggs.

Explanation:

All the mammals produce amniotic eggs. An amniotic egg is an egg that has four extraembryonic membranes including amnion. Amnion is a fluid-filled sac that serves as a cushion and does not allow the egg to desiccate. Since mammals are land animals, they have amniotic eggs to prevent any damage to the embryo from desiccation and physical injury.

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.