SCIENCE Directions: Read each question carefully then write the letter of your answer. 1. How many components does ecosystem have? A 4 B. 5 2. Which is NOT component of the ecosystem A sun B. producers C. 6 D. 7 C. abiotic substances D computer ) C. abiotic substances D. computer 3. Which is the source of sunlight? A. Sun B. producers 4. Piants belongs to which component?? A. sun B. producers 5. Why are these components naturally connect to one another? C. abiotic substances D. computer A. to vitalize the body B. to sustain life in the ecosystem C. to increase the population D. to keep the plants alive​