Living things:-
-Living things are made of cells.
-Living things have and use energy.
-Living things grow and develop.
-Living things reproduce.
-Living things respond to their environment.
-Living things adapt to their environment.
Answer:
Explanation:
(in an echinoderm) each of a large number of small flexible hollow appendages protruding through the ambulacra, used either for locomotion or for collecting food and operated by hydraulic pressure within the water-vascular system.
The first step of cellular respiration takes place in cytoplasm of the cell called glycolysis. Cellular respiration is an aerobic process that requires oxygen and gives off carbon dioxide and it usually involves the complete breakdown of a glucose molecule with the use of oxygen molecule and then produces a net gain of 2 ATP's.