Characteristics of Life
Across
- 3. The chemical reactions in cells that break down nutrient molecules and release energy for metabolism
- 6. The processes that make more of the same kind of organism
- 8. the ability of an organism to maintain an equilibrium of internal conditions.
- 9. both.
Down
- 1. removal from organisms of the waste products of metabolism (chemical reactions in cells including respiration), toxic materials, and substances in excess of requirements.
- 2. The ability to detect stimuli in the internal or external environment and to make appropriate response
- 4. A permanent increase in size and dry mass by an increase in cell number or cell size
- 5. taking in of materials for energy, growth, and development; plants require light, carbon dioxide, water, and ions; animals need organic compounds and ions and usually need water.
- 7. An action by an organism or part of an organism causing a change of position or place.