Match the following list of animals with their level of organization.

Division of Labour Animal
A. Organ level i. Pheritima
B. Cellular aggregate level ii. Fasciola
C. Tissue level iii. Spongilla
D. Organ system level iv. Obelia

Choose the correct match showing division of labour with animal example:

i ii iii iv
1. B C D A
2. B D C A
3. D A B C
4. A D C B
Subtopic:  Phylum Porifera | Phylum Coelenterata | Phylum Ctenophora & Platyhelminthes | Phylum Aschelminthes | Phylum Annelida | Phylum Arthropoda | Phylum Mollusca | Phylum Echinodermata | Phylum Hemichordata | General Introduction: Vertebrates & Agnatha |
 87%

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Match the following group of organisms with their respective distinctive characteristics and select the correct option :

Organisms Characteristics
(a) Platyhelminthes (i) Cylindrical body with no segmentation
(b) Echinoderms (ii) Warm blooded animals with direct development
(c) Hemichordates (iii) Bilateral symmetry with incomplete digestive system
(d) Aves (iv) Radial symmetry with indirect development
 
(a) (b) (c) (d)
1. (iii) (iv) (i) (ii)
2. (ii) (iii) (iv) (i)
3. (iv) (i) (ii) (iii)
4. (i) (ii) (iii) (iv)
Subtopic:  Phylum Ctenophora & Platyhelminthes | Phylum Echinodermata | Phylum Hemichordata | Study of Aves & Mammals |
 85%
From NCERT
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Consider the following traits:
I. Tripartite body division
II. Diverticulum of foregut, stomochord
III. Deuterostome embryonic development

An animal that can show all these traits can be:

1. Ascidia 2. Branchiostoma
3. Asterias 4. Balanoglossus
Subtopic:  Phylum Hemichordata |
 54%

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