Ques: Q: What are a class of tetrapod vertebrates that produce amniotic eggs called? Choices: - mammals - amphibians - insects - reptiles A:
Ans: reptiles

Ques: Q: What do sharks use to secrete salt to assist in osmoregulation? Choices: - ceramic gland - bladder gland - blood gland - rectal gland A:
Ans: rectal gland

Ques: Q: What can be described in terms of size, density, and distribution? Choices: - habitats - biomes - dimensions - populations A:
Ans: populations

Ques: Q: Bacterial dna is contained in a large, circular strand; this single chromosome is located in a region of the cell called what? Choices: - polypeptide - amino acid - nucleic acid - the nucleoid A:
Ans:
the nucleoid