Answer: parasitism possibly< this is all i had its a goat
Biological cell membranes are selectively permeable, which means that the ease and rate of small molecules passing through membranes vary widely. The plasma membrane regulates exchange of nutrients, oxygen, inorganic ions, waste products, and water. The cellular membrane’s molecular organization controls permeability.
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.
Read more about phylum at:
brainly.com/question/586233
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