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25 Cards in this Set

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A lifecycle 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
Appendicular skeleton
The portion of the skeleton that attaches to the axial skeleton and has the limbs attached to it
Blood vessels that carry blood away from the heart
A heart chamber that receives blood
Axial skeleton
The portion of the skeleton that supports and protects the head, neck, and trunk
A mixture of salts and phospholipids that aids in the breakdown of fat
Bone marrow
A soft tissue inside the bone that produces blood cells
Tiny, thin-walled blood vessels that allow the exchange of gases and nutrients between the blood and cells
The lobe that controls involuntary actions and refines muscle movement
The lobes of the brain that integrate sensory information and coordinate the creature's response to that information
Closed circulatory system
A circulatory system in which the oxygen-carrying blood cells never leave the blood vessels
Lacking an internal mechanism for regulating body heat
A skeleton on the inside of a creature's body, typically composed of bone or cartilage
External fertilization
The process by which the female lays eggs and the male fertilizes them once they are outside of the female
A state of extremely low metabolism
Internal fertilization
The process by which the male places sperm inside the female's body, where the eggs are fertilized
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
A rod of tough, flexible material that runs the length of a creature's body, providing the majority of its support
Olfactory lobes
The regions of the brain that receive signals from the receptors in the nose
Optic lobes
The regions of the brain that receive signals from the receptors in the eyes
Oviparous development
development that occurs in an egg which is hatched outside the female's body
Blood vessels that carry blood back to the heart
A heart chamber from which blood is pumped out
Segments of bone or some other hard substance that are arranged in a backbone
Viviparous development
Development that occurs inside the female, allowing the offspring to gain nutrients and vital substances from the mother through a placenta