Across
- 2. four legged vertebrate that is dependent on the thickness of its limbs
- 4. the study of the structure of animals
- 5. that have a backbone
- 7. the study of functions of organisms
- 8. scaling differences in body size as a result of differences in physiology
- 9. organisms with no backbone
Down
- 1. organisms that have a hard exoskeleton
- 3. body mass to limb length and other physical and physiological ratios
- 6. a biological polymer that makes up exoskeletons