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.
Answer:
The electron transport chain is the third and final step of cellular respiration. At the end of the electron transport chain, the hydrogen from the coenzymes meets the oxygen which the cell has consumed and reacts with it to form water. Therefore, water is created as a byproduct of the metabolism reaction.
D.) none of the above is human induced cause of extinction
Answer:yes
Explanation:yes because that is what your teacher is looking for
The determining factors are; climate, environment, and Human Activity.
P.S.: try those...lmk if they are right ;)