| A | B |
|---|
| angiosperms | vascular plant that produces seeds from flowers |
| amphibians | vertebrates with smooth, moist skin that begin life in water but live part of the time on land |
| gymnosperm | vascular plant that produces seeds but not flowers or fruits |
| bacteria | small, single-celled organisms that do not have a nucleus |
| nonvascular | lacking a water-transport system |
| symmetry | matching form on opposite sides of a dividing line |
| dichotomous key | tool used to identify organisms based on contrasting pairs of characteristics |
| kingdom | highest level of biological classification |
| fungi | kingdom of organisms with a nucleus that get nutrients by decomposing other organisms |
| vascular | having a tube-like water-transport system |
| protist | kingdom of single-celled or multicellular organisms that may have the characteristics of both animals and plants |
| protozoa | animal-like protist |
| cnidarians | invertebrates with radial symmetry, a sac-like body, a true mouth, and the ability to digest food |
| invertebrates | animals without a backbone |
| vertebrates | animals with a backbone |
