Answer:
adaptation, extinction, and the creating of new species
Explanation:
Answer:
Movement of free water molecules from an area of low concentration to an area of higher concentration
Explanation:
Answer:
A frogs heart has 3 chambers. Two atria and a single ventricle.
Answer:
it is unclean
Explanation:
fish that have non-shedding, non-overlapping, diamond-patterned, or imbedded scales should be considered unclean.