Question

Bath sponge, grasshopper, rohu, penguin, frog, lizard, elephant, jellyfish. Write the characters of each of the animals with the help of classification chart.

Answer 1

bath sponge ( Euspongia ) - Porifera

1. most of them are aquatic
2. Asymmteric
3. cellular level of organisation

Grasshopper - arthropoda

1. Organ system of organisation
2. complete digestive system
3. open circulatory system
4. bilateral symmetry
5. triplobastric

Rohu (Labeo) - pisces

1. are fresh water fishes
2. external fertilisation
3. notochord replaced by vertebrae
4. cold blooded
5. endoskeleton made up of bone

Penguin(Aptenodytes) - aves

1. they possessed beaks
2. hindlimbs possess to have scales

Frog - Amphibia

1. they are cold blooded
2. skin is rough or smooth
3. scales are absent
4. ten pair of cranial nerves

elephant - mammals

1. heart is 4 chambered
2. lungs are present
3. warm blooded
4. viviparous

Jellyfish(aurelia) - Cnidaria

1. mostly marine
2. radially symmetry
3. tissue level of organisation
4. diplobastric