Q: What kind of organisms are prokaryotes? Choices: - viral - single - flagellated - multicellular organisms - single-celled A:
single-celled

(Question)
Q: What makes toenails and fingernails hard? Choices: - guanine - cellulose - taurine - keratin A:
(Answer)
keratin

Ques: Q: What is composed of a calcium cation and a nitrate anion? Choices: - calcium carbonate - dynamite - nitrous oxide - calcium nitrate A:
Ans: calcium nitrate

(Q).
Q: What kind of diet is typical for raptors, such as hawks and owls? Choices: - fishes - carnivorous or herbivorous - herbivorous - carnivorous A:
(A).
carnivorous

Ques:Q: Where do benthos live in oceans? Choices: - On the ocean surface - In deep water - In coral reefs - on the ocean floor A:

Ans:on the ocean floor

Q: What type of virus can cause painful sores on the mouth and genitals? Choices: - Aids - gonorrhea - syphilis - herpes A:
herpes