No, monotremes do not have short internal development.
Reptiles and birds are among the major groups of vertebrates that have internal fertilization and external development. Also included are monotremes and marsupials.
The two monotremes in Australia are the platypus and the short-beaked echidna.
The two monotremes, or egg-laying mammals, in Australia are the platypusand the short-beaked echidna.
marsupials and monotremes.
Monotremes are the egg laying mammals. Platypus, Long Nosed Echidna and Short Nosed Echidna are the only three monotremes.
Monotremes include the platypus and short-beaked echidna of Australia, and the long-beaked echidna of New Guinea.
The only monotremes still in existence today are the platypus, and two species of echidna (the long-beaked and the short-beaked echidna).
The two known monotremes are the platypus and the echidna, of which there are two species, the short-beaked echidna of Australia and the long-beaked echidna of New Guinea.
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Cheetahs are placental mammals, so they have internal fertilization and internal development within the uterus of the female.