Across
- 4. the chemical reactions in cells break down nutrient molecules and release energy for metabolism
- 6. the processes that make more of the same kind of organism
- 7. the ability to detect and respond to changes in the internal or external environment
Down
- 1. the removal of the waste products of metabolism and substances in excess of requirements
- 2. the taking in of materials for energy, growth and development
- 3. an action by an organism or part of an organism causing a change in position or place
- 5. a permanent increase in size and dry mass
