Sea Daisies, a new class of echinoderm was discovered in 1986. They have the following characteristics: they look like sea stars

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Sea Daisies, a new class of echinoderm was discovered in 1986. They have the following characteristics: they look like sea stars

without arms, they live in the deep ocean (abyss) and attach to sunken wood, and they have a water vascular system but lack a true gut. Why do you think they were classified as echinoderms and not as a new phylum? How do you think they feed and move?

Biology

1 answer:

svetlana [45] · Answer 1 · 2024-07-12T10:35:23+03:00

they were classified as echinoderms and not as a new phylum because they have the attribute of the echinoderm where they were seen as the sea stars without arms, they live in the deep ocean.

<h3>What is an echinoderms?</h3>

An echinoderm can be described as the any member that can be attributed to the phylum Echinodermata.

The members of this family can be seen as one that posses a recognisable radial symmetry which help in the process of their classification, and some of the members that fall into this caetegories are:

starfish
brittle stars
sea urchins
sand dollars
sea cucumbers
"stone lilies

It should be noted that the phylum can be seen as the level of classification or taxonomic rank that can be seen below kingdom.

In conclusion, the Sea Daisies which was thenew class of echinoderm that was discovered in 1986 can be classified as the echinoderm and not as phylum since they have the feautures of the echinoderm.