6 terms

5th grade Chapter 1 Lesson 4 CLASSIFYING ANIMALS

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Terms in this set (...)

Asymmetrical
something that cannot be divided into mirror images
Radial symmetry
a body plan in which all body parts of an organism are arranged around a central 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 develop after birth
placental mammal
a mammal whose young develops within the mother

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