Organisms have gradually adapted certain structures that help them succeed in their environments. What internal structure have birds developed that helps them
successfully fulfill their niche?

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

Drag each label to the correct location on the table. each label can be used more than once. decide whether each statement describes saturated fat, unsaturated fat, or both saturated and unsaturated fats.

Name the organs of humanelemintary canal.