Question

How are animals classified into the different groups according to their body plan?

Answer 1

it is classified on the basis of the things.
1) colour
2)body shape
3)body hair
4)weight
5)no.of legs

Answer 2

Hello friend! Thanks for asking question, here is the answer.

The animals are classified into the following groups according to their body plan :
1. Cell aggregate body plan:
>> Animals having cell aggregate body plan are simplest type of animals.
>> There is least division of labour in cell aggregate body plan.
>> Tissues or organs and digestive system are absent.
>> Nervous coordination is lacking between the cells.
>> Example, Phylum Porifera (sponges).

2. Blind sac body plan:
>> Animals having blind sac body plan are little complex type of animals.
>> There is little division division of labour in blind sac body plan.
>> Tissues or organs and incomplete digestive system are present.
>> There is presence of nervous system between the cells.
>> Example, Phylum Cnedaria (hydra).

3. Tube within tube body plan:
>> Animals having tube within tube body plan are advanced and highly evolved animals.
>> There is advanced division of labour in tube within tube body plan.
>> There is presence well developed organs, organ systems and digestive system.
>> There is well developed nervous system.
>> Example, Phylum Annelida (earthworm).


I hope this will help you. Thank you.
- BRAINLY STAR ROSETA