Which of the following is the definition of monotreme?

Which of the following is the definition of monotreme?

Definition of monotreme : any of an order (Monotremata) of egg-laying mammals comprising the platypuses and echidnas.

What is the definition of monotreme in biology?

monotreme, (order Monotremata), any member of the egg-laying mammalian order Monotremata, which includes the amphibious platypus (family Ornithorhynchidae) and the terrestrial echidnas (family Tachyglossidae) of continental Australia, the Australian island state of Tasmania, and the island of New Guinea.

Is monotreme a mammal?

The monotremes are a group of highly specialised egg-laying predatory mammals, containing the platypus and echidnas.

Is Kangaroo a monotreme?

Platypus and echidna are classified as monotremes; kangaroos, koala and bandicoots among others are marsupials; over 4,000 other animal species, including ourselves, are eutherian mammals. Of the Monotremes and Marsupials many are found in the Australian region.

What are the 2 monotremes?

The extant monotreme species are the platypus and four species of echidnas.

Is red kangaroo a monotreme?

Fortunately, some megafaunal species survived, including the largest living marsupial, the red kangaroo, and Australia remains marsupial and monotreme central.

How many monotreme are there?

five
The monotremes are a group of highly specialised egg-laying predatory mammals, containing the platypus and echidnas. There are only five living species of monotreme, contained within two families: Family Ornithorhynchidae: the platypus, a single species in a single genus, Ornithorhynchus anatinus.

Is a kangaroo a monotreme?

What are the only three living species of monotremes?

Monotremes represent one of the three major subdivisions of mammals. The other two groups, the marsupials (Marsupialia or Metatheria ) and placentals (Placentalia or Eutheria ) give birth to live young. There are only five extant (living) species of monotremes, the platypus (Ornithorhynchus anatinus) and four species of echidna .

Which organism is a monotreme?

A monotreme is a mammal that lays eggs as in the order of Monotremata. Monotreme are organisms that possess one opening for the delivery of feces, urine, and eggs. Examples of monotremes are the platypus and echidna .

What is the largest species of monotremes?

The western long-beaked echidna is the largest living monotreme species. It possesses three claws on the fore and hind feet, a feature that distinguishes it from other Zaglossus species. The western long-beaked echidna has a longer, downward bent snout than the short-beaked echidna.

What do monotremes differ from reptiles?

How do monotreme eggs differ from those of reptiles? Monotreme eggs are much smaller at ovulation, contain less yolk. For most of intrauterine development, growth of monotreme embryo depends on absorption of endometrial gland secretions across the yolk sac. Young hatch at very early stage and rely on lactation for continued development