What is a defining feature of mammals that is not present in most other vertebrates?
a. mamma...
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Biology, 01.08.2019 22:20 jayloy4724
What is a defining feature of mammals that is not present in most other vertebrates?
a. mammals maintain a constant body temperature.
ob.
mammals reproduce through internal fertilization.
oc. mammals can produce milk for their offspring
od. mammals have a nervous system with a spinal cord.
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