Question

Which one of the following animals is correctly matched with its one characteristic and the taxon?
(a)Animal-Millipede, Characteristic-Ventral nerve cord, Taxon-Arachnida
(b)Animal-Duckbill platypus, Characteristic- Oviparous, Taxon-Mammalia
(c)Animal-Silverfish, Characteristic-Pectoral and pelvic fins, Taxon-Chordata
(d)Animal-Sea anemone, Characteristic-Triploblastic, Taxon-Cnidaria

Answer 1

Hint: The eukaryotic multicellular organisms which consume organic material and breathe oxygen for their survival are animals. They grow from a sphere of cells and are motile. A group of one or more than one population of an organism is referred to as a taxon. It is a unit that is used in the science of biological classification and arranged in a hierarchy from Kingdom to subspecies.

Complete answer:
Duckbill platypus is a small oviparous aquatic mammal which consists of a beak-like a duck and webbed forelimbs which help them in swimming. They constitute clawed hind feet which helps them in burrowing and a common reproductive opening, an excretory and digestive system with a broad, flat tail. They are oviparous and the female lays eggs. The male consists of a single spur on each hind ankle which contains a venom. It can cause severe pain to humans. It has appeared as a mascot in some National events which features on the reverse of the Australian twenty-cent coin and the emblem of the state of New South Wales as the Platypus. They spend much of their time in the water foraging for food and are characterized by their swimming style and no external ears. Out of the water they retire to a straight resting burrow of oval cross-section nearly the riverbank not far but the water level.

Additional information:
Animal-Millipede, Characteristic-Ventral nerve cord, Taxon-Arachnida: Millipede consists of two pairs of jointed legs and is a group of arthropods that are characterized by their body segments. They are elongated or cylindrical with more than 20 segments and can roll into a ball. They are detrivores that eat the decaying leaves and other dead plant matter.
Animal-Silverfish, Characteristic-Pectoral, and pelvic fins, Taxon-Chordata: Silverfish is a wingless insect that derives its silvery light from the animal's grey color combined with the fish-like appearance of its movement. They have a nocturnal vision and are whitish when newly hatched and develop a grace hue and metallic shine when they get older.
Animal-Sea anemone, Characteristic-Triploblastic, Taxon-Cnidaria: Sea anemone are terrestrial flowering plants that are marine and are attached to a hard surface by its base. The gonads are strips of tissues within their mesenteries. Some species of sea animals are sequential hermaphrodites which changed their sex at some stages in their life.

So, the correct answer is 'Animal-Duckbill platypus, Characteristic- Oviparous, Taxon-Mammalia'.

Note: Duckbill Platypus does not have a stomach and has a sixth sense. Millipedes can walk on the land and are the oldest creators that show evidence by their fossils. Sea animals are known as the flower of the sea and are found all over the oceans in the world. The mouth of the sea animals is located at their bottom.