0714 820 596 channa asela teacher, s. thomas’ · 0714 820 596 channa asela teacher, s. thomas’...

0714 820 596 Channa Asela www.OLscience.com

Teacher, S. Thomas’ College, Mt. Lavinia

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Coelenterata (Cnidaria)

1) Organisms of Coelenterata (Cnidaria) possess two …………………..

(i) …………………

(ii) ………………….

2) Therefore the organisms of the Coelenterata (Cnidaria) are called …………….. organisms.

3) Body has a ……………… symmetry

4) Has an …………………… body

5) All the organisms are ……………………

(i) Most of them are in ……………. (…………….., …………….. & ……………)

(ii) Few are in ……………… (………………..)

6) Coelentera attack and …………… small organisms and consume them.

7) Therefore they are ……………….

8) There is a body ………………… called ……………. and it acts as a …………………………….

9) Two types of Coelenterata

(i) ………………. – move Eg- ………………….

(ii) …………… – attached to a surface. Eg. …………, …………….., …………….

10) Some reproduce ……………… and some reproduce …………….

11) ………….., …………, …………….., …………….. belong to Coelenterata (Cnidaria)

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Annelida

1) The first organisms to possess three …………….

(i) ………………..

(ii) ………………..

(ii) ………………

2) Therefore the organisms of the Annelida are called ……………………. organisms.

3) Has a ………………… symmetry

4) Has a …………………… body

5) Live in ………., ………….. & ……………….

6) The first organisms to have a …………………. called …………… which is filled with a …………..

7) This ………… is between the …………… and the …………... It provides an independent movement for the

……………….. irrespective of the body ……………….




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7) Some reproduce ……………. and some reproduce ………………...

8) …………….., ……………… and ……………. belong to Annelida




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Mollusca

1) The organisms of Mollusca also possess three ………………….

(i) ………………….

(ii) ………………..

(ii) ………………..

2) Therefore the organisms of the Mollusca are called ……………….. organisms.

3) Has a ……………… symmetry

4) Has a ………………… body with a ………….., ……………. and …………………….

5) The ………….. body is ……………. by ………….




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6) Some contain a …………. made up of …………… (…………., ……….) and some do not contain a shell (…………,

……………., ……………)

5) Live in …………, …………… & …………………

6) Show ……………… reproduction. Most of them are …………….

7) …………, ………….., …………, ………….., Chiton belong to Mollusca




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Arthropoda

1) Phylum Arthropoda as the highest number of …………… of the Kingdom Animalia.

2) Class ………………. has the highest number of ………………..

3) Lives in ……….., …………. & …………..

4) The organisms of Arthropoda also possess three ………………….

(i) ………………….

(ii) ………………..

(ii) ………………..

5) Therefore the organisms of the Arthropoda are called ……………….. organisms.

6) ……………… symmetry

7) Has a ……………. body and has a ………., …………. and a ……………….

8) Has an ……………….. made up of …………….

9) Has joint ………………… (joined ……………..)

10) Show sexual ……………..

11) Reproduce …………………

12) …………(flies, butterflies, mosquitoes, bees, wasp), ……………., ……….., ……………, ……….., ………….,

………….., ……………….. belong to Arthropoda




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Echinodermata

1) Phylum Echinodermata shows phylogenetic (evolutionary) relationship to phylum …………..

2) The organisms of Echinodermata also possess three ………………….

(i) ………………….

(ii) ………………..

(ii) ………………..

3) Therefore the organisms of the Echinodermata are called ……………….. organisms.

4) All live in ………………..

5) Shows ………………. symmetry. Body is separated into …………… radial arms

6) Tube feet are used for ………………….. and ……………..

7) Has a highly distributed …………….. vascular system




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8) Has a ……………………… body covering

9) Shows sexual …………………..

10) Reproduce ……………..

11) …………….., …………………., Sea urchin belong to Echinodermata




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0714 820 596 channa asela teacher, s. thomas’ · 0714 820 596 channa asela teacher, s. thomas’...

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