DENDROLOGY

DENDROLOGY AND SOCIETY

PLANT CLASSIFICATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
There are classes of vertebrates.
A
five
B
six
C
twelve
D
two
Explanation: 

Detailed explanation-1: -The phylum chordata (animals with backbones) is divided into five common classes: fish, amphibians, reptiles, mammals and birds.

Detailed explanation-2: -Vertebrates include birds, fish, amphibians, reptiles, and mammals.

Detailed explanation-3: -Flatworms, arthropods, sponges, insects are a few examples of Invertebrates. Mammals, fish, reptiles, amphibians, and birds are examples of Vertebrates.

Detailed explanation-4: -The vertebrates are the animal species having vertebral column or backbone or vertebrae. These are classified into 7 classes which includes Aves, Amphibia, Reptilia, Agnatha, Osteichthyes, Mammalia and Chondrichthyes. Examples of vertebrates are Birds, Amphibians, Reptiles, fish and mammals.

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