Norah observes some velvet-green growth on a tree trunk. when she picks up one of these plants, she notices that the plant has a flattened body and is attached to the tree trunk by means of root-like structures. what is the plant?

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

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 !

Which of th following best describes how genes produce traits in an organism?