Q: The simplest example of what type of 'organ system' is the gastrovascular cavity found in organisms with only one opening for the process? Choices: - cardiovascular - respiratory - nervous - digestive A:
digestive

Q: What is root that does not arise from a usual place? Choices: - momentous - monomers - hypochlorous - adventitious A:
adventitious

Q: What kind of waves consist of vibrating electric and magnetic fields? Choices: - gaseous waves - sound waves - hydraulic waves - electromagnetic waves A:
electromagnetic waves