What characteristics do mammals have? have hair, breathe air through lungs, and feed
their young milk.
have hair, breathe air through gills, and feed
their young milk
have dry scaly skin, lays eggs, and are cold-
blooded
Help

Differentiation of cells changes the nucleic information. true false

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food

Plz ! having a smooth seeds is the dominant trait. having wrinkled seeds is a recessive trait. the offspring of two plants with smooth seeds, a. must have smooth seeds. b. may have smooth or wrinkled seeds. c. must have wrinkled seeds. d. have a 25% change of having smooth seeds.