The smallest stable unit of matter in creation
Two or more atoms linked together to make a substance with unique properties
The process by which a plant uses the energy of sunlight and certain chemicals to produce it's own food
The process by which a living organism takes energy from it's surroundings and uses it to sustain itself, develop, and grow
Special structures or chemicals that allow living organisms to sense the conditions of there surroundings
The smallest unit of life in creation
The portion of the skeleton that supports and protects the head, neck, and trunk.
The portion of the skeleton that attaches to the axial skeleton and has the limbs attached to it
A body covering typically made of a tough, flexible substance called chitin, that provides support and protection.
Two or more different organisms living together so that each benefits from the other
A cell that has NO organelles.
A cell with organelles.
An organism that causes disease.
Organisms that break down the dead remains of other organisms
The process by which the stem of a plant can form new roots and develop into a mature plant.
Organisms that produce their own food
Organisms that eat living producers and/or other consumers for food.
A consumer that eats producers exclusively
A consumer that eats only other consumers
A consumer that eats both plants and other consumers
Basal Metabolic rate
The Minimum amount of energy required by the body everyday
Blood vessels that carry blood back to the heart
Blood vessels that carry blood away from the heart
Tiny, thin-walled blood vessels that allow the exchange of gases and nutrients between the blood and cells
The process by which an organism breaks down it's food into small units which can be absorbed
A chemical substance essential for the normal working of the human body
Autonomic nervous system
The system of nerves which carries instructions from the CNS to the body's smooth muscles, cardiac muscle and glands.
Sensory nervous system
The system of nerves which carries information from the body's receptors to the CNS
Motor nervous system
The system of nerves which carries instructions from the CNS to the skeletal muscles