Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
26 Cards in this Set
- Front
- Back
vertabrae |
segments of bone or some other hard substance that are arranged into a backbone
|
|
notochord
|
a rod of tough, flexible material that runs the length of a creature's body, providing the majority of its support
|
|
endoskeleton
|
a skeleton on the inside of a creature's body, typically composed of bone or cartilage
|
|
bone marrow
|
a soft tissue inside the bone that produces blood cells |
|
axial skeleton
|
the portion of the skeleton that supports and protects the head, neck, and trunk |
|
appendicular skeleton
|
the porton of the skeleton that attaches to the axial skeleton and has the limbs attached to it |
|
closed circulatory system |
a circulatory system in which the oxygen-carrying blood cells never leave the blood vessels |
|
arteries
|
blood vessels that carry blood away from the heart |
|
capillaries
|
tiny, thin-walled blood vessels that allow the exchange of gases and nutrients between the blood and the cells of the body |
|
veins
|
blood vessels that carry blood back to the heart |
|
olfactory lobes
|
the lobes of the brain that receive signals from the receptors in the nose |
|
cerebrum
|
the lobe of the brain that integrate sensory information and coordinate the creature's response to that information
|
|
optic lobes
|
the lobes of the brain that receive signals from the receptors in the eyes
|
|
cerebellum
|
the lobe that controls involuntary actions and refines muscle movement
|
|
medulla oblongata
|
the lobes that coordinate vital functions, such as those of the circulatory and respiratory systems, and transport signals from the brain to the spinal cord
|
|
internal fertilization
|
the process by which the male places sperm inside the female's body, where the eggs are fertilized
|
|
external fertilization
|
the process by which the female lays eggs and the male fertilizes them once they are outside of the female |
|
oviparous development
|
development that occurs in an egg that is hatched outside the female's body |
|
ovoviviparous development |
development that occurs in an egg that is hatched inside the female's body |
|
viviparous development
|
development that occurs inside the female, allowing the offspring to gain nutrients and vital substances from the mother through a placenta |
|
anadromous
|
a life cycle in which creatures are hatched in fresh water, migrate to salt water as adults, and then go back to fresh water in order to reproduce |
|
bile
|
a mixture of salts and phospholipids that aids in the breakdown of fat |
|
atrium
|
a heart chamber that receives blood |
|
ventricle
|
a heart chamber from which blood is pumped out
|
|
ectothermic
|
lacking an internal mechanism for regulating body heat
|
|
hibernation
|
a state of extremely low metabolism and respiration, accomplanied by lower-than-normal body temperatures |