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– Australia has few placental<\/strong> mammals.\n<\/p>\n <\/p>\n – The broken-up Gondwana gave rise to southern continents which the early placental<\/strong> mammals could not get to.\n<\/p>\n <\/p>\n – The vast majority of mammal species give birth to live young, these are the placental<\/strong> mammals, most of which are classified as Eutheria and a small number are classified as marsupials.\n<\/p>\n <\/p>\n – All living Eutherians are placental<\/strong> mammals.\n<\/p>\n – Chemicals that can cross the placental<\/strong> barrier and hurt the fetus are called teratogens.\n<\/p>\n <\/p>\n – Afrotheria is a clade of placental<\/strong> mammals.\n<\/p>\n <\/p>\n – The Palaeocene placental<\/strong> radiation, p327.\n<\/p>\n <\/p>\n – It is believed that they are ovoviviparous, meaning that the young are born live, but there is no placental<\/strong> connection, instead the embryos are nourished by egg yolk.\n<\/p>\n <\/p>\n – A number of these mammalian predators closely resemble placental<\/strong> predators that evolved separately in Eurasia.\n<\/p>\n <\/p>\n – In more recent times the land bridge between the Americas, and reintroductions to Australia, have brought in placental<\/strong> mammals.\n<\/p>\n <\/p>\n – This makes it almost contemporary to the earliest placental<\/strong> fossils, which have been found in the same area.\n<\/p>\n <\/p>\n – However, the placental<\/strong> barrier is not able to protect the fetus from everything that could hurt it.\n<\/p>\n <\/p>\n – More recent genomics suggests that Afrotheria and Xenarthra are sister taxa at the base of the placental<\/strong> mammal radiation.\n<\/p>\n <\/p>\n![\"placental](\"https:\/\/englishteststore.net\/blog\/wp-content\/uploads\/2021\/09\/placental-some-ways-to-use.jpg\" "\\"placental")
Example sentences of “placental”:<\/h2>\n
- Chemicals that can cross the placental<\/strong> barrier and hurt the fetus are called teratogens.\r\n
- Afrotheria is a clade of placental<\/strong> mammals.\r\n
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