Across
- 3. is the process of making food
- 4. are the organisins that live in or on dead plants or animal
- 6. are the organisims that live in or on other living oranisims and derive their food them
Down
- 1. the mode of nutrition where two different organisims work together for their mutal benefit
- 2. is the green pigment in the leaves
- 5. human being and animals are heteroph
