AP BIOLOGY

ECOLOGY

ENERGY FLOW AND THE FOOD CHAIN

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
For a producer to maintain itself, which factor must be present in its environment?
A
carnivores
B
herbivores
C
sunlight
D
parasites
Explanation: 

Detailed explanation-1: -Producers are the plants in the ecosystem, which can generate their own energy requirement through photosynthesis, in the presence of sunlight and chlorophyll. All other living beings are dependent on plants for their energy requirement of food as well as oxygen. Consumers include herbivores, carnivores, and omnivores.

Detailed explanation-2: -Many abiotic factors-nonliving physical and chemical aspects of an environment, such as sunlight levels, soil chemistry, and climate-shape healthy ecosystems.

Detailed explanation-3: -How do producers work this magic of storing the energy from sunlight in molecules that other organisms can use? They accomplish this feat with a biochemical reaction called photosynthesis. This process uses the energy of sunlight to split water molecules into hydrogen and oxygen.

Detailed explanation-4: -The Unique Producer Being able to make their own food makes them unique; they are the only living things on Earth that can make their own source of food energy. Of course, they require sun, water and air to thrive. Given these three essential ingredients, you will have a healthy plant to begin the food chain.

Detailed explanation-5: -Sunlight is the main source of energy on Earth, which makes it an extremely important abiotic factor. Sunlight is necessary for photosynthesis, the process by which plants convert carbon dioxide (CO2) and water to oxygen (O2) and sugar – food for the plants that later becomes food for animals.

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