Answer:
which one is it 9 42 or 12?
Valves, they are like flaps of muscle that keeps the blood in its place util its ready to be pumped along.
To catch them :) hope this helps
Answer:
The findings demonstrates an optimal foraging hypothesis based on maximizing caloric intake alone is probably incorrect in this case.
Explanation:
This example can also be explained by optimal foraging theory which helps in predicting the behavior of an animal which it is searching for food. Food provides energy to the animal but searching and capturing the food requires both energy and time.
So in order to maximize fitness , an animal adopts a foraging strategy which provides the most benefit which in this case is energy, for the lower cost and by maximizing the net energy gained.
