It helps classify animals according to their needs.
Hope this helps!
-Payshence xoxo
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<span>The question is 'organisms interact with each other and their environment in different ways. What is an organism's niche. A particular organism ecological niche is defined as that organisms roles in its particular environment. It covers all the ways in which the organism affect its physical environment and the other organisms that are cohabiting the environment with it, that is, the function of the organism in its environment and its interrelationships with all the biotic and abiotic factors present in its environment.</span>
Answer:
<em>The water vascular system of echinoderms </em><em>functions in locomotion and feeding</em>.
Explanation:
Echinoderms have a unique vascular aquatic system called the <u>ambulacral system. </u>
The ambulacral system refers to a net of fluid-filled channels derived from the coelom with functions related to gas exchange, feeding, stimuli reception, and locomotion. This system acts as a hydro motor apparatus.
The opening to the exterior of this vascular system is through an opening known as madreporite. This structure is united to the circular channel that surrounds the animal´s mouth and from where five radial channels emerge and extend along each arm. Water runs through these structures and makes it possible the gas exchange, feeding, locomotion, and other functions. By hydrostatic pressure, little tubular feet are protruded and retracted and help the animal to move.
