Question

what are vascular system porifera fuchinodermosa segmentation head to tail Annelida earthworm.

Answer 1

Annelids live in moist environment , soil , freshwater and marine water . They have para podia and chitinous setae used for locomotion . Their body appears red due to the presence of haemoglobin . This invertebrates have a true closed circulatory system

Answer 2

porifera

>porifera means organism with holes >there are non motile animals attached to some solid support
> there are holes or pores all over the body
> these lead to a Canal system that helps in circulating water throughout the body to bring in food and oxygen
> these animals are covered with hard outside layer or skeleton
> the body design in involves very minimal differentiation and division into tissues
> they are commonly called sponges
>they are mainly found in Marine habitat >examples of euplectella, sycon spongilla .

Annelida

>they are bilaterally symmetrical
>they are triploblastic
>they have a true body cavity
> this allows true organs to be packaged in the body structure
> these is extensive organ differentiation
> these animals are found in freshwater marine water and well as land
>examples are leeches,earthworm and neresis.

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