| A | B |
|---|
| heredity | The passing down of traits from one generation to the next. |
| trait | Any characteristic of a living thing. |
| genes | These carry the chemical instructions that determine what characteristics the person inherits. |
| nymph | A grasshopper becomes this before it reaches adulthood. |
| fertilization | When a sperm cell from a male and an egg cell from a female join to create a single unit. |
| metmorphosis | amphibians become adults through this process. |
| external fertilization | The process of an egg and sperm joining outside of a female's body. |
| pedigree | This chart is used to show the history of physical traits in a family. |
| splitting | a kind of asexual reproduction that bacteria use to reproduce. |
| instinctive behavior | a bird building its nest is an example of this behavior |
| complete metamorphosis | four stages of development. |
| pupa | Non-feeding stage during which a hard, cocoon surround the organism. |
| runners | Plant stems that lie on or under the ground and sprout up as new plants. |
| carrier | Any individual who has inherited the gene for a trait, but does not show that trait. |
| larva | An immature stage that does not resemble the adult. Worm like, caterpillar. |
