Question

5 distinguishing characteristics of porifera, cnidaria, ctenophora, platyhelminthes, nematoda, annelida, mollusca, arthropoda, echinodermata, hemichordata please answer fast its urgent​

Answer 1

Answer:

PHYLUM PORIFERA

i. they are marine except one group that lives in frsh water.

ii. simplest multicellular, diploblastic animals

iii. asymmetrical or radially symmetrical.

iv. they do asexual reproduction.

COELENTERATA

i. they are aquatic (marine).

ii. they are multicellular.

iii. respiratory,circulatory and exceretory organs are absent.

iv. asexual reproduction by budding.

ANNELIDA

i. body teiplobalstic , bilaterally symmetrical, soft, elongated and cylindrical.

ii. exoskeleton absent

iii. true coelomate animals.

iv. sexes may be hermaphroditic or separate

ARTROPODA

i. triploblastic, bilaterally symmetrical and mentamerically segmented animals.

ii. alimentary canal is complete.

iii. sexes are usually separarte.

iv. fertilization is usually internal.

ENCHINODERMATA

i. simple animals may be star like, spherical or elongated.

ii. body triplobalstic , unsegmented and radially symmetrical.

iii. body lacks head but has oral and aboral surfaces.

iv. excretory organs absent.

Explanation:

Answer 2

Answer:

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