monotreme การใช้

• Ausktribosphenidae and monotremes have been assigned to the larger group Australosphenida.
• The construction of the lower jaw differs from existing monotremes.
• For example, all gargoyle females lay eggs just as monotremes do.
• All mammals, besides monotremes gestate in their mother's womb.
• There were also echidnas ( one of two species of monotremes ).
• The existing monotreme species are the platypus and four species of echidnas.
• Platypuses and two genera of echidna are Australian monotremes.
• An age of approximately 123 million years makes this the earliest known monotreme.
• The monotremes have a sex determination system different from that of most other mammals.
• The modern platypus, a monotreme, appeared.
• They share a similar fauna which includes marsupial and monotreme mammals and ratite birds.
• Its eggs were probably small and leathery, a condition still found in monotremes.
• The monotremes are the only group of land mammals known to have evolved electroreception.
• Platypuses are a monotreme species whose mechanism of sex determination has been extensively studied.
• Most recent phylogenetic studies validate this clade, lumping henosferids and aukstribosphenids alongside monotremes.
• There is currently some debate regarding monotreme taxonomy.
• Monotremes, like marsupials, produce larval young.
• The platypus is a monotreme, a mammal that lays eggs to hatch its young.
• Subsequent monotreme molars are multi-rooted.
• Modern monotremes have a low body temperature compared to marsupials and placental mammals, around.