1ons: Read each item carefully. Write only the letter of the correct answer for each question. Use a separate sheet of paper for your answers. 1. A plant needs water, radiant energy, minerals, oxygen, and carbon dioxide to live. How are these requirements needed by plants categorized? A Climate B. Minerals C. Biotic components D. Abiotic components 2. Which of the following represents an abiotic component of the environment? A. Flowing lava B. Cat nursing its young C. Sprouting mongo seeds D. Growing grasses on mountain 3. Which of the following are needed in setting up an aquarium as a mini ecosystem? A. A number of fish and water only B. Combination of water, sand, soil and light C. Population of fish, snails, and plants only D. Communities of different species of organisms, water, sand, soil, and sunlight 4. On which abiotic factors would varieties of fish and seaweeds rely for their survival? A. Insects and sun B. Water and corals C. Water and temperature D. Solid particles and temperature 5. Which of the following is an abiotic factor produced by plants? A Flower B. Fruit C. Oxygen D. Stem 6. Which ecosystems below would you find the highest rate of photosynthesis?​