Question

please solve this questions​

Answer 1

Answer:

The advantages of classifying organisms are as follows: (i) Classification facilitates the identification of organisms. (ii) helps to establish the relationship among various groups of organisms. (iii) helps to study the phylogeny and evolutionary history of organisms.

2The general characteristic features of Non-Chordates are:

They are cylindrical, triploblastic, coelomate, or pseudocoelomate animals.

Respiration in these animals takes place through gills, trachea or body surface.

Most of the times, sexes cannot be distinguished among the members.

Explanation:

Characteristics of Chordata. Animals in the phylum Chordata share four key features that appear at some stage during their development: a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail (Figure 2). In some groups, some of these are present only during embryonic development.

Answer 2

Answer:

Q1. Write the benefits of animal classification.

Ans:- Following are the advantages of classifying organisms: ... It tells us about the inter-relationship among the various organisms. It helps to understand the evolution of organisms. It helps environmentalists to develop new methods of conservation of plants and animals.

Q2. Write the characteristics of Non chordates.

Ans:- The general characteristic features of Non-Chordates are:

1. They are cylindrical, triploblastic, coelomate, or pseudocoelomate animals.
2. Respiration in these animals takes place through gills, trachea or body surface.
3. Most of the times, sexes cannot be distinguished among the members.

Q3. Write the characteristics of Chordates.

Ans:- Animals in the phylum Chordata share four key features: a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail.