Q: Q: What element has the atomic number 16? Choices: - oxygen - helium - neon - sulfur A:
A: sulfur

Q: Q: Like animals, protozoa are heterotrophic and capable of what? Choices: - pushing - creating - working - moving A:
A: moving

Q: Q: How many underlying principles does the science of biology have? Choices: - five - three - eleven - four A:
A: four

Q: Q: The first consumption of breast milk or formula floods the baby's gastrointestinal tract with what? Choices: - hemoglobin - nerves - enzymes - beneficial bacteria A:
A: beneficial bacteria