Science in the Fifth Day of Creation Crossword

A chemical that reacts with bases
fins on the underside of the fish near the rear used to keep the fish rightside up in the water
An animal that lives in water that has a low level of salt in it
a thin layer of tissue
the tendency of a solvent to flow across a semipermeable membrane to where there is more solute
an animal that eats another animal
an inflatable sack in a fish that allows it to change its volume so as to change its depth
system of support in an animal
an animal that has a backbone
an animal that is eaten by another animal
being pushed along by forcing a stream of air or a fluid in the opposite direction
used to compare differences and similarities of 2 things
the act of grouping things together based on their similarities
some fish use this fin for protection
moving atoms and molecules from high concentration to low concentration
animals without a backbone
anything alive
used to propel a fish through the water
a way for fish to get their oxygen