| A | B |
|---|
| mammals | generate internal body heat, have fur or hair |
| marsupial | nonplacental mammal, fetus is born in a pouch;ex: kangaroo |
| mammary gland | gland in female that produces milk |
| placental mammal | a placenta forms during development of embryo |
| monotreme | egg-laying mammal |
| marsupium | pouch in marsupials where young embryos complete development |
| rumen | chamber in digestive system that contains symbiotic bacteria that produce enzymes |
| placenta | nutrients, oxygen, & carbon dioxide and wastes are exchanged |
| cecum | long sac that forms part of the intestines of some herbivores |
| prehensile tail | tail used for grasping while climbing |
