| A | B |
|---|
| four changes that all living things go through | growth, development, reproduction, death |
| growth | changes in size |
| development | changes in plants and animals as they become adults |
| reproduction | when plants and animals produce young like themselves |
| death | the end of each plant's or animals life |
| life cycle | the stages that happen in a plant's or animal's life |
| egg | the first stage in the life of almost all animals |
| pores | tiny openings in eggshells which let water and oxygen in and carbon dioxide out |
| embryo | the developing baby in an egg |
| yolk | the stored food for the embryo |
| ostrich eggs | the largest eggs in the world |
| incubator | a device that gives enough warmth, water, and fresh air to help keep something alive |
| 4 stages of life cycle of most insects | egg, larva, pupa, adult |
| complete metamorphosis | a four stage life cycle |
| 3 stages of life cycle of some insects | egg, nymph, adult |
| incomplete metamorphosis | a three stage life cycle |
| animals that do not take care of their young | cowbird, fish, frog, sea turtle |
| species | a group of living things that can produce living things of the same kind |
| life span | the time between an animal's birth and death |
| Do the eggs you eat contain embryos? | NO!!!!! |
