You are given the task of confirming the categorization of a newly discovered marine animal that has been tagged as a species of echinoderm. what evidence would convince you that it is an echinoderm and not different marine animal such as a sponge or sea anemone?

Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. he used a golf ball, a tennis ball, and a soccer ball. he dropped each ball from the balcony once. diego recorded his observations after each drop. what can diego do to best improve the reliability of his results? a) drop each ball from the platform three more times b) record his observations in more than one unit c) write at least two scientific questions after the experiment is complete d) share his results with other people who have done similar experiments you for the !