Across
- 2. What is an increase in cell size, number of cells or cell complexity called?
- 4. Plants and animals use oxygen from the air to convert glucose into energy in what process?
- 6. What is required for energy to grow and repair living organisms?
- 7. All living things respond to stimuli detected through receptors, what is this called?
- 8. What is the ability to regulate the internal conditions of the body?
Down
- 1. What process can insure that plant and animal species do not go extinct?
- 3. How does the body remove waste chemicals?
- 5. What enables animals to get from one place to another, or for plants to respond to sunlight and gravity?