They use their spines with tiny hairs on them to move and push food towards their mouths.
"N<span>eurula stage" is the stage among the following choices given in the question that is the stage of the embryo Jim was watching. The correct option among all the options that are given in the question is the first option or option "A". I hope that this is the answer that has actually come to your great help.</span>
In a ecological pyramid, when we move up energy decreases by 10% at each step 'cause they get lost as "Heat" when energy flows from one Trophic level to another.
Hope this helps!
It is polymerase chain reaction hope this helps
Damage to cell membrane can also lead to leakage of important cell constituents required for various metabolism of the cell. There can also be imbalance of electrolyte concentration in the cell which could lead to damage of proteins and organelles of the cell.
