Which idea inspired darwin’s theory of evolution?
species as a whole have remained unchanged for millions of years.
population changes are driven by competition and sexual selection.
organisms can modify their environment to improve living conditions.
traits acquired during the lifetime of an organism can be passed on.

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.

Loss of protected health information collected for research should be directly reported to:

Consider the model of the oxygen cycle on earth. the majority of earth's oxygen reservoirs are found in the a) atmosphere. b) biosphere. c) hydrosphere. d) lithosphere.