AP BIOLOGY

Detailed explanation-1: -Photosynthesis uses carbon dioxide and water to assemble carbohydrate molecules (usually glucose) and releases oxygen into the air. Eukaryotic autotrophs, such as plants and algae, have organelles called chloroplasts in which photosynthesis takes place.

Detailed explanation-2: -Most autotrophs use a process called photosynthesis to make their food. In photosynthesis, autotrophs use energy from the sun to convert water from the soil and carbon dioxide from the air into a nutrient called glucose. Glucose is a type of sugar. The glucose gives plants energy.

Detailed explanation-3: -Answer and Explanation: Autotrophs such as plants and algae have chloroplasts, and produce oxygen gas as a waste product, whereas heterotrophs such as animals ingest their food and produce carbon dioxide as a waste product.

Detailed explanation-4: -The autotrophs are on the first trophic level as they ultimately get their energy from the sun. The cells of heterotrophs do not contain chloroplasts. Heterotrophs are on the secondary or higher level of the food chain because they eat the organisms on the first level.

Detailed explanation-5: -The chloroplast absorbs the energy in sunlight and uses it to produce sugars. Chloroplasts play an important part in the process of photosynthesis in some organisms. The chloroplast absorbs the energy in sunlight and uses it to produce sugars.