It's (B) A catastrophic event where 90 percent of the ocean's species were lost and 70 percent of the land life was thought to go extinct.
Animals, plants, fungi and bacteria use carbohydrates in varying ways. For plants, carbohydrates form a large part of their structure in the form of cellulose. Animals use carbohydrates primarily for energy, such as starch, glucose and other sugars. Bacteria use carbohydrates for both structure and energy.
Answer:
they contain chlorophyll which makes leaves green and absorbs sunlight.