Like poisonous dart frogs, monarch butterflies are brightly colored. what might be adaptive advantage of bright coloration?

Awic dietitian is meeting with a client who has an infant and a young child. the mother says that the young child is a very picky eater and will only eat crackers and juice. the health worker notices that the child's hair is brittle, his nails tear easily, and the skin inside his lower eyelids is very pale. these are all signs of iron deficiency.

An easy way to calculate the amount of energy available at each level is to what?

Witch type of microscope is used to view very small cell components like proteins and dna?