| A | B |
|---|
| consumers | organisms unable to make their own food |
| producers | are able to make their own food |
| invertebrate | animal without a back bone |
| vertebrate | animal with a back bone |
| endoskeleton | skeleton within the animal's body |
| exoskeleton | a support system is located outside their body |
| fertilization | sperm from the male unite with one or more eggs produced by a female |
| external fertilization | fertilization that occurs outside of the organism, dependent on water to carry out fertilization |
| internal fertilization | fertilized eggs develop in the female organism |
| sexual reproduction | male and female organisms are necessary |
| asexual reproduction | new organism develops from one parent |
| budding | from of asexual reproduction, bud forms on the parent organism |
| regeneration | organism regrows a missing part |
| cellular respiration | occurs inside the body cells when oxygen combines with digested food to release energy from chemical bonds in food |
| metabolism | the total of all the chemical changes that take place in an organism |
| incomplete metamorphosis | egg, nymph, adult |
| complete metamorphosis | egg, lava, pupa, adult |
| behavior | a set of responses exhibited by animals |
| adaptation | inherited trait that helps an organism survive, the better adapted a living thing is , the greater its chances to reproduce |
| camouflage | an adaptation that allow an animal to hide by blending into its surroundings |
| digestion | the process through which animals break down food |
| radial symmetry | parts organized around a central point |
| asymmetrical | body plan showing no symmetry |
| bilateral symmetry | body plan has distinctive left and right sides |
| behavioral adaptations | set of responses an organism exhibits to changes in its environment |
