| A | B |
|---|
| ectotherms | animals that relies on behavior to help regulate body temperature |
| pancreas | gland that produces hormones that regulate blood-sugar |
| omnivore | organism that obtains energy by consuming both plants and animals |
| lignin | substance in vascular plants that makes cell walls rigid |
| Punnett square | diagram showing gene combinations |
| emphysema | respiratory disease where the elasticity of the lungs is logst, making it difficult to breathe |
| conscientious | careful and principled |
| diligent | marked by painstaking effort; hard working |
| obstinate | stubbornly adhering to an opinion or course of action |
| tenacity | persistent adherence to a belief or point of view |
