The Environment

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Across
  1. 4. Aquatic animal that breathes using gills
  2. 6. The gaseous element required for respiration
  3. 8. A measure of how hot or cold the environment is
  4. 9. Main source of energy for photosynthesis in plants
Down
  1. 1. Organism that kills and eats other animals
  2. 2. Living organism that grows in soil and performs photosynthesis
  3. 3. Needed for hydration and chemical reactions in cells
  4. 5. Organisms that typically have wings and six legs
  5. 7. Microscopic organisms, some of which cause disease
  6. 9. Medium that supports plant roots and provides nutrients