Which one of the following is not a true statement?
A. Fishes are mostly oviparous animals
B. Nematocysts are found only in coelentrates
C. All mammals have hairs and mammary glands
D. All insects have six pairs of legs
Answer:D
Which one of the following is not a true statement?
A. Fishes are mostly oviparous animals B. Nematocysts are found only in coelentrates C. All mammals have hairs and mammary glands D. All insects have six pairs of legs