which of these is a product of photosynthesis and a requirement for cellular respiration? a) carbon dioxide b) glucose c)water d) sunlight​

How are the tortoises that darwin observed on the galápagos islands similar to the anoles that losos studied

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?