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- 1. Multiple Choice
Which of the following is a characteristic that all mammals share?
they all have a pouch
they give their young milk
they all lay eggs
- 2. Multiple Choice
Which of the following is a structure that mammals share that enables them to feed their young?
specialized teeth
mammary glands
endothermy
completely divided heart
- 3. Multiple Choice
Which group of mammals give birth to immature young that continue to develop in the mother's pouch?
monotremes
marsupials
placental
- 4. Multiple Choice
Which group of mammals has a long gestational period?
monotreme
placental mammals
marsulpial
- 5. Multiple ChoiceMonotremes are the only group of mammals thatlay eggshave hairfeed their young with milkare endotherms
- 6. Multiple ChoiceMost mammals aremonotremesmarsupialsplacental mammalsplacental marsupials
- 7. Multiple ChoiceWhat is the function of the placenta?production of milkexchange of materials between fetus and motherdigestion of foodprotection of a young mammal after birth
- 8. Multiple Choice
These are all characteristics of mammals except...
All mammals regulate body temp internally
All mammals have hair
All mammals have a single jawbone
All mammals teeth are uniform or the same
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