Answer:
Arthropods have a tough, non-living outer shell called exoskeleton, which protect their soft bodies while echinoderms have living endoskeletons, which develops within the deeper skin or body tissues and act as their protective covering.Explanation:
While carbohydrates supply immediate energy for the body, lipids — a class of macromolecule — provide long-term energy storage. Lipids, more commonly known as fats, appear in many foods.
During photosynthesis, carbon dioxide and water combine to form glucose (the plant’s energy). When there is not enough water, the plant cannot produce any glucose, even if there is light and carbon dioxide
Answer:
phototropism only happens after plants move from darkness into the light (false)
