Which process allow you to smell perfume at a distance from the source? a. diffusion b. osmosis c. homeostasis d. selective permeability

Looking at the flow chart above, and knowing the Ash tree is the producer, what would be the first consumer? A). cardinal B). Tiger swallowtail c). Sharp-shinned hawk

Do fly's eat anything?

Which of the following best explains why enzymes are necessary for many cellular reactions? a. enzymes change reactants from a solid to a liquid during the reactions. b. the reactions are too slow to meet the needs of the cell of enzymes are missing.

A young child is prescribed pancreatic enzymes as part of his treatment plan for cystic fibrosis. The child has difficulty swallowing medications.

Describe how models are used to predict phenomena.

In what situation would you want to make a gel with a higher percentage of agarose?

What did Darwin and Lamarck have in common?

What two factors show us how bright the store looks from earth

What is another term for survival of the fittest? A. Natural selection B. Adaptation c. Genetic mutation D. Variation

Which of the following could be said about ecological footprints? A. the average ecological footprints for various countries are nearly identical. B.