Question

The truly land animals are
(A) Newts
(B) Lungfishes
(C) Salamanders
(D) Calotes

Answer 1

Hint: Animals are multicellular, eukaryotic. They are called eukaryotic as they have a well-developed ruscus in which the genetic or nuclear material is bound by a membrane called a nuclear membrane.

Complete answer:
- The truly land animals are calotes. On the basis of presence of vertebral column. Animals can be distinguished as vertebrates or invertebrates. Vertebrates possess backbone whore backbone is absent in invertebrates. Examples of vertebrates are Amphibians, birds, fish, mammals and reptiles.
- It can be contained that vertebrates belong to the phylum chordata. The phylum chordata derived its name due to the presence of notochord during some stages of development.
- Examples of invertebrates are arthropods. Arthropods have the amphibians can live partly on land and partly in water which means they are semi-terrestrial (land creatures) and semi-aquatic (water creatures).
- Examples of amphibians are frogs, food, and salamanders. Since salamanders also have aquatic habitual convent is saidastius land animal. Lungfishes belong to the extinct specters but it is a freshwater fish and so it can be said as the true land animal. A newt is a salamander.
- It belongs to the subfamily plearodeline and is known pleurodelinae scientifically. It belongs to the category of amphibians and amphibians show aquatic habitual tin. Newts cannot be referred to as truly land animals.

Hence the correct answer is option D) Calotes.

Note: Calotes is a genus of lizards and they belong to the family Agamidae. They are commonly known as Green forest lizards and they are generally found in the forests of Shevaroy hills and Western Ghats in India and Sri Lanka. They are terrestrial animals and have an exoskeleton covered by keratin scales.