6th Grade
The body's ability to resist a particular disease.
immunity
Largest group of mammals.
rodents
Organisms' occupation within its environment.
niche
Julian calendar
Darwin based his evolutionary ideas on this
Natural Selection
Drugs that relieve pain without causing numbness.
analgesics
An environment and all its organisms.
Ecosystem
Jelly-like substance found in the cell.
cytoplasm
Type of disease caused by a pathogen.
infectious
Technique used to dramatically increase the resolution of radio telescope images by combing signals from multiple telescopes
interferometry
"Control Center" of the cell
nucleus
Part of the brain that controls thinking, reasoning, and memory.
Cerebrum
Several years ago, a nearby ecosystem was damaged. Since then, however, a new ecosystem has developed. This is the process that occured.
ecological succession
Type of orbit crosses the equator at the same local mean solar time on every orbit.
sun-synchronous orbit
The convection cell that exists between latitude 30 and latitude 60
Ferrel cell
This gland is known as the "master gland"
pituitary gland
Largest organ; the body's first line of defense against disease
The Skin
Protozoa that move using long, whip-like structures.
flagellates
The Father of Anatomy
Andreas Vesalius
Group of biogeochemical cycles recylce nutrients found in soil and rock
sedimentary cycles
Substances your body needs in order to function properly
nutrients
"wires" of your communication system
nerves
Classification that describes an organism's feeding relationship with other organisms.
Trophic level
Nutrients are supplied to cells, and wastes are removed from cells by this system.
cardiovascular system
Group of long-living halogen compounds are supposedly the primary cause of ozone depletion.
chlorofluorocarbons