The grunion is one example of a species that depends on the tides for its survival. Find and name another example of a species that depends on the tide for its continued existence. Be sure to explain the specific role the tide has in the species' survival.
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its a  

explanation:

one would be wind another would be water density

the unequal cytoplasmic division that  results  in  one egg  and three polar bodies ensures that a fertilized  egg has  ample nutrients  forits journey  to  the uterus.

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.