| A | B |
|---|
| Gene | The part of a chromosome that contains the DNA code for an inherit trait. |
| Mitosis | The process by which most cells divide. |
| Migration | The seasonal movement of a complete population of animals from one area to another. |
| Chromosome | A threadlike structure in the nucleus made up of DNA. |
| Regeneration | The process of replacing tissue that is missing or damaged. |
| Inherit Trait | A characteristic passed from parents to their offspring. |
| Instinct | A behavior that an organization inherits. |
| Recessive Trait | A trait that appears only if an organism has two factors for the trait. |
| Environment | All the living and nonliving things that surround and affect an organism. |
| Metamorphosis | A change in the form of an animal during normal development. |
| Learned Behavior | Behavior that an animal adquires through experience. |
| Adaptations | Inherit traits that are passed down from parents to offspring that help living things meet basic needs and survive. |
| Extinction | The death of all organisms of a species. |
| Life Cycle | The stages that a living thing passes through as it grows and changes. |
| Dominant Trait | A trait that appears even if an organism has only one factor for the trait. |
