How To Use placental mammal In A Sentence
- monotremes and marsupials are aplacental mammals
- Most placental mammals have teeth that are capped with enamel, but there are also lineages without teeth, such as anteaters, pangolins and baleen whales, or with enamelless teeth, such as armadillos, sloths, aardvarks and pygmy and sperm whales. ScienceBlogs Channel : Life Science
- Remarkable similarities between certain placental and implacental mammals, between the bird's-head processes of On the Genesis of Species
- There are several cases of convergent evolution between marsupials and placental mammals, in which the two animals have evolved to fill the same ecological niche in different parts of the world.
- For unknown reasons, Australia was apparently originally populated entirely by marsupials rather than placental mammals.
- In the lower and smaller forms of placental Mammals the surface of the cerebral hemispheres is either smooth or evenly rounded, or exhibits a very few grooves, which are technically termed 'sulci,' separating ridges or 'convolutions' of the substance of the brain; and the smaller species of all orders tend to a similar smoothness of brain. Lectures and Essays
- There are several cases of convergent evolution between marsupials and placental mammals, in which the two animals have evolved to fill the same ecological niche in different parts of the world.
- The placental mammals include such diverse forms as whales, bats, elephants, shrews, and armadillos.
- New Holland has merely marsupial and some monotrematous, but no placental, mammalia; even its tertiary strata give no placental mammalia, but marsupialia, in analogy with all living genera, herbivorous, and carnivorous. The Theories of Darwin and Their Relation to Philosophy, Religion, and Morality
- To distinguish them from the marsupials and the placental mammals the monotremes are placed in their own class, the prototheria.
