Question: Answer the following question given this paragraph: The echinoderm nervous system has a nerve ring at the center and five radial nerves extending outward along the arms. There is no centralized nervous control. Echinoderms have separate sexes and release their gametes into the water where fertilization takes place. Echinoderms may also reproduce asexually through regeneration from body parts. Q: What process takes place when echinoderms release their gametes into the water? Choices: - migration - stimulation - isolation - fertilization A:
Answer: fertilization

Question: Answer the following question given this paragraph: Moving air, like moving water, causes erosion. Moving air is called wind. Q: What is moving air called? Choices: - steam - clouds - humidity - wind A:
Answer: wind

Question: Answer the following question given this paragraph: The kidneys filter blood and form urine. They are part of the urinary system, which also includes the ureters, bladder, and urethra. Q: What organs filter blood and form urine? Choices: - the appendix - the spleen - the liver - the kidneys A:
Answer:
the kidneys