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प्रश्न
Write the characters of each of the following animals with the help of classification chart. Bath sponge, grasshopper, rohu, penguin, frog, lizard, elephant, jellyfish.
उत्तर
| Organism |
Level of organisation |
Symmetry | Coelom | Notochord |
Bath sponge |
Cellular level | Asymmetrical | Absent | Absent |
Grasshopper |
Organ system | Bilateral | Coelomate | Absent |
Rohu |
Organ system | Bilateral | Coelomate | Present |
Penguin |
Organ system | Bilateral | Coelomate | Present |
Frog |
Organ system | Bilateral | Coelomate | Present |
Lizzard |
Organ system | Bilateral | Coelomate | Present |
Elephant |
Organ system | Bilateral | Coelomate | Present |
|
Jellyfish |
Tissue level | Radial | Absent | Absent |
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संबंधित प्रश्न
Why do we classify organisms?
Give three examples of the range of variations that you see in life-forms around you.
Which do you think is a more basic characteristic for classifying organisms?
(a) The place where they live.
(b) The kind of cells they are made of. Why?
Which organisms are called primitive and how are they different from the so-called advanced organisms?
Will advanced organisms be the same as complex organisms? Why?
Characters of a phylum are given below. Read those carefully and answer the questions.
a. Spines of calcium carbonate are present on the body.
b. These animals are exclusively marine.
c. They perform the locomotion with the help of tube feet.
d. Their skeleton is made up of calcareous plates or spicules.
i. Animals of which phylum show the above characters?
ii. Give an example from that phylum.
iii. These animals can be classified with the help of which criteria of new system of animals classification?
How is the complexity of cell structure and their number used in classification?
Describe the characteristics used in hierarchial classification of organisms.
Complete the five-kingdom method of classification using living organism prokaryotes, eukaryotes, multicellular, unicellular, protista, animals, plants, fungi.
Distinguish between Aves and Mammalia.
Classification of animals makes it easy to study the vast variety of animals.
Give advantages of classification of animals.
What is classification?
Write the levels of classification.
Skeleton is made entirely of cartilage in
______ belongs to Phylum Platyhelminthes.
Biological classification is a dynamic and ever evolving phenomenon which keeps changing with our understanding of life forms. Justify the statement taking any two examples.
Complete the following conceptual picture.
