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Unit 4
| Question | Answer |
|---|---|
| classification | the science of an organizom categoies for living things |
| kingdom | the largest group into which an orgisoms can be classifid |
| species | a group of simalar organisms ina grains that can reprodoes more of their own kind |
| vertebrate | an animal that has a back bone |
| invertebrate | an animal that does not have a back bone |
| asymmetrical | somehthing tha cannot be divided into mirror images |
| radial symmetry | a body in which all body parts of an organism are arranged around a cental point |
| bilateral symmetry | a body plan in which an organism can be divided along only one plane of its body to produce two mirror images |
| monotreme | a mammal that lays eggs |
| marsupial | a mammal in which the female has a pouch where offspring develops after birth |
| placental mammal | a mammal whose young develops within the mother |