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What else can I help you with?
Are placental mammals extinct?
No, not all mammals are placental. There are two other groups of mammals: the monotremes and the marsupials.Monotremes are egg-laying mammals, and marsupials are generally pouched mammals, although not all marsupials have fully developed pouches.
What are the three main groups of mammals?
Monotremes, marsupials, and placental mammals.
What are the 5 groups of vertebrate organisms?
Vertebrate organisms are organisms that have a spine. The five groups of vertebrate organisms are mammals, birds, amphibians, fish and reptiles.
What do these vertebrate groups have in common?
all vertebrate have a spinal cord.
The squirrel is a placental mammal while the the phalanger is a pouched mammal how can their resemblances be explained?
You may be referring to the similarities between flying squirrels and marsupial gliders. Or the similarities between standards squirrels, and cuscuses of the genus Phalanger. In both cases, marsupials and placental mammals have very similar anatomies, habitats, and diets. This is due to convergent evolution: the two groups of animals are unrelated but have developed similar characteristics because they have adapted to similar environments (woodlands, in this case).
A diagnostic feature used for classifying vertebrate groups?
heterotrophs
What are the 4 groups of vertebrate?
Mammals, birds, fish, reptiles, amphibians
WHere do placental animals live?
All placental animals are mammals. Placental mammals are the most successful of the major mammal groups (the other two being the marsupials and the monotremes). Everything from rodents to dogs to cows and even elephants, even you, are placental mammals. In fact, they are found on every continent and in virtually every habitat on Earth.
What groups do humans belong to other than mammals?
These humans that you speak of belong to the placental group of mammals
What are five groups of vertebrate and their definition?
Fish,Reptile,Mammal,Amphibian and bird
Are all mammals marsupial?
No. Marsupials are just one of three groups of mammals. The other two are monotremes and placental mammals. The vast majority of modern mammals are placental.
What are the differences between the five vertebrate groups?
Fish- only vertebrate that has gills its whole life Bird- Only vertebrate with feathers Reptile- Dry scaly skin Mammal- only vertebrate that doesn't lay eggs Amphibian- Spend half of their life in water
