Question: Q: What type of symmetry do echinoderms show? Choices: - mirrored - lateral - parallel - radial A:
Answer: radial

Question: Q: What is the opening formed between adjacent vertebrae for the exit of a spinal nerve called? Choices: - inferior vertebral notch - sympathetic ganglion - spinous process - intervertebral foramen A:
Answer: intervertebral foramen

Question: Q: Cutting forests and clearing land has also increased the amount of what in the atmosphere? Choices: - oxygen - smog - pesticides - carbon dioxide A:
Answer:
carbon dioxide