Q: Q: Apical dominance, seed germination, gravitropism, and resistance to freezing are all positively influenced by what type of chemicals in plants? Choices: - pesticides - enzymes - photosynthesis - hormones A:
A: hormones

Q: Q: One of the simplest machines is the lever, which is a rigid bar pivoted at a fixed place called what? Choices: - caliper - sling - wheel - fulcrum A:
A: fulcrum

Q: Q: What kind of hormones are derived from cholesterol? Choices: - germs - Antibiotic - synthesis - steroid A:
A: steroid

Q: Q: What are intervertebral discs made of? Choices: - intercartilage - fibrotissue - connective cartilage - fibrocartilage A:
A: fibrocartilage