Question

1. Write some common characters of Pisces, Reptilia and Aves. ?
2. What is the need of classification? What questions will you ask ?
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Answer 1

Answer:

for 1st question answer have been attached

2)it helps us to understand more easily about the species.

i) what is classification

ii) what are the steps for classification

iii)how to classify various species

those questions I will ask.

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Answer 2

Answer:

1- Common characters of Pisces, Reptilia and Aves include;All of them are triploblastic, i.e., their body is derived from three types of germ layers - ectoderm, mesoderm, and endoderm.All of them are oviparous organisms, i.e., they lay eggsAll of them are vertebrates, having a notochord and a dorsal nerve tube atleast for some period of their life cycle.All are cold-blooded animals.Excretory organs are the kidney.

2- It is necessary to classify organisms because: Classification allows us to understand diversity better. ... Classification helps us to learn about different kinds of plants and animals, their features, similarities and differences. It enables us to understand how complex organisms evolve from simpler organisms

Explanation:

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