Q: Q: While still an early fetus, what is the skeleton made of? Choices: - ligament - membrane - gel - cartilage A:
A: cartilage

Q: Q: What single-celled organism can be either a predator, decomposer, herbivore, or parasite in the food chain? Choices: - vertebrates - mites - Diatoms - protozoa A:
A: protozoa

Q: Q: Which structure includes sugar-phosphate "backbones", composed of alternating phosphate groups and deoxyribose sugars, and nitrogenous bases? Choices: - molecule double helix - mulecular triplex - dna triple helix - dna double helix A:
A: dna double helix

Q: Q: The what is the number of wave cycles that pass a specified point in space in a specified amount of time? Choices: - vibrancy - intensity - density - frequency A:
A: frequency