AP BIOLOGY

Detailed explanation-1: -All living organisms require food. Plants can synthesise food for themselves but animals including humans cannot. They get it from plants or animals that eat plants. Thus, humans and animals are directly or indirectly dependent on plants.

Detailed explanation-2: -Plants are producers-they take energy from the sun, nutrients from the ground, and water to grow and produce their flowers, seeds, and berries. They also release oxygen, which all animals, including humans, need to survive. Animals are consumers and they all depend on plants for survival.

Detailed explanation-3: -Plants are primary producers of food. Herbivorous animals depend directly on plants for their food. Carnivorous eat these herbivouros animals and gain energy. Thus, ultimately they too depend on plants for food and energy.

Detailed explanation-4: -Herbivores are completely dependent on plants and plant materials. Cattle such as cows, buffaloes, goats, are animals that are dependent on plants and plant products.

Detailed explanation-5: -Final answer: Animals depend on plants for food and oxygen.