Q: How do humans learn behaviors? Choices: - Aural pressure - Verbal pressure - pressure - conditioning A:
conditioning

Q: What do many scientists think are the oldest eukaryotes? Choices: - prokaryotes - plants - arthropods - protists A:
protists

Q: What is the basic structure that holds plants upright, allowing plants to get the sunlight and air they need? Choices: - twig - stamen - root - stem A:
stem