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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?
On what basis are plants and animals put into different categories?
Which organisms are called primitive and how are they different from the so-called advanced organisms?
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?
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Write any two points of differences between flat worms and round worms.
Write down two disadvantages of two kingdom classification.
What is basis of classification?
State the merits of Whittaker’s method of classification.
Write the levels of classification.
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Skeleton is made entirely of cartilage in
Give examples for the following
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______ belongs to Phylum Platyhelminthes.
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Complete the following conceptual picture.
