| A | B |
|---|
| Carapace | Upper Turtle Shell |
| Plastron | Lower turtle Shell |
| Salamander | Lizards that lack scales, claws, and have moist soft skin. |
| Lizards | Have scales, clawed toes, and movable eyelids |
| Snakes | Legless, lack eyelids |
| Diurnal | Active at daytime |
| Crepuscular | Active at dusk |
| Nocturnal | Active at night |
| Dendrite | Nerve signal RECEIVERS |
| Axon | Nerve signal SENDERS |
| Atrium (singular) Plural: Atria | Upper heart chamber |
| Ventricle (singular) Plural:Ventricles | Lower heart chamber |
| Oxygenated | Full of oxygen |
| Objectives | Microscope magnifiers |
| Oculars | Eyepiece magnifiers |
| Dichotomous Key | Way of classifying things based on two choices |
| Chord | distance from front of wing to back |
| Wingspan | Distance from side to side of wing |
| Aspect Ratio | wingspan divided by chord |
| Frequency | The number of waves that pass a point in a second |
| Hertz | Units for frequency (waves per second) |
| Wavelength | Distance from crest to crest in a wave |
| Amplitude | Height of wave from rest position |
| Refraction | Change in direction of a wave, due to a change in speed. |
| Reflection | Change in direction of a wave from which it originated |
| Prevalence | estimate of the probability that an individual has a given disease |
| Mortality Rate | proportion of individuals in a population that die |
| Humus | Soil made from decaying organic material |
| Xerophyte | a plant adapted to an acute scarcity of water |
| Evapotranspiration | A process by which water enters the atmosphere from plants or water sources |
| Biome | A large scale ecological system dominated by one vegetation |
| Intrusive | A rock formed underground |
| Extrusive | A rock formed above ground |
| Vacuum | Absence of matter |
| Nekton | Animals capable of swimming independent of current flow |
| Plankton | Organisms that float or have weak swimming abilities, and are wafted by the currents |
| Supernova | A star that has collapsed on itself to create a massive explosion. |
