Backbone Basics
Inside vs Outside
Body Structures
Reproduction
100
Vertebrate
An animal with a backbone
100
Internal
Located within the body
100
Radial Symmetry
Having many lines of symmetry that all pass through a central point
100
Sexual Reproduction
Offspring produced by combining genetic information from two parents. (sperm+egg=fertilization.) Offspring are genetically different from parents
100
Invertebrate
An animal without a backbone
100
External
Located outside of the body
100
Bilateral Symmetry
Body plan with only one line of symmetry, dividing the body into two equal halves
100
Asexual Reproduction
Production of offspring requiring only one parent. Offspring are genetically identical to the parent
100
Chordate
An animal phylum that has a nerve cord such fish, amphibian, reptiles, mammals and birds.
100
Exoskeleton
Hard protective structure developed outside of the body, such as the shell of a lobster
100
Asymmetrical
No symmetry
100
Ectotherm
Cold blooded
100
Open Circulatory System
A circulatory system that allows the blood to flow out of the blood vessels and into body cavities, cells are in direct contact with the blood.
100
Endotherm
Warm blooded
100
Closed Circulatory System
A circulatory system in which oxygen-carrying blood cells never leave the blood vessels
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