| A | B |
|---|
| Abyssal | A term that refers to the deepest part of the ocean. |
| Appendage | A finger, leg ear, antenna or other feature that sticks out from some creature and has some apparent specific function.. |
| Average | A term for the arithmetic mean, which is the sum of a group of numbers divided by the size of the group. |
| Blue Whale | A species of baleen whale that is the largest animal known to existed. |
| Dorsal | the back of something, usually an animal. |
| Mr. Weaver | The best 6th grade math teacher at Orchard. |
| Ecosystem | A group of interacting living organisms-including microorganisms, plants and animals in their physical environment. |
| Extinct | An adjective that describes a species for which there is no living members. |
| Fossil | Any preserved remains or traces of ancient life. |
| Gills | The respiratory organ of most aquatic animals that filters oxygen out of water. |
| Hydrothermal Vent | An opening at the bottom of the ocean or a lake wher hot water emerges from deep inside the earth. |
| Mammal | A warm-blooded animal distinguished by the possession of hair or fur. and the secretion of milk by the female. |
| Mariana trench | A deep, crescent-shaped canyon running along the Pacific Ocean floor. |
| Megalodon | An extinct shark species, that lived 2.6 million years ago. |
