| A | B |
| Kingdom | a group of organisms that share similar characteristics |
| Heterotroph | an organism that needs to get energy from another organism |
| Autotroph | an organism that can make its own food |
| Invertebrate | members of the Animal Kingdom that do not have backbones |
| Vertebrate | members of the Animal Kingdom that have backbones |
| Herbivore | animals that feed on plants |
| Carnivore | animals that feed on other animals |
| Omnivore | animals that feed on both plants and animals |
| Unicellular | organisms made up of one cell. They usually cannot be seen directly with the eye. |
| Multicellular | organisms made up of many cells. |
| Parasite | an organism that feeds on another living organisms and usually causes harm to that organism |
| Locomotion | the ability to move from one place to another |
| Behavior | any observable response to a stimulus |
| Stimulus | something that produces a response from an organism |
| Organism | an individual living thing |
| Consumer | an organism that feeds on |
| Predator | an animal that hunts other animals for food |
| Prey | an animal that is hunted by another animal as a source of food |
| Prefix Uni- | - one |
| Prefix Multi- | more than one or many |