An ecologist catches 100 frogs from a pond, marks them, and releases them back into the pond. after a few days, another 100 frogs are captured and 10 have the marks on them. how many frogs are in the pond?

How do sharks blend with the ocean?

What is muscle tone?

For years, Go was considered the last redoubt against the march of computers. Machines might win at chess, draughts, Othello, three-dimensional noughts and crosses, Monopoly, bridge and poker. Go, though, is different.

Which terms describe the stem and root of this plant?

The flounder is a species of fish that can live in very cold water. the fish produces an "antifreeze" protein that prevents ice crystals from forming in its blood. the dna for this protein has been identified.

Do proteins code for RNA or DNA?

What type of air mass originates in Canada?

How does phagocytosis work?

Explain how the shape of a protein molecules can affect its function

During the admission assessment of a new client, the nurse is preparing to assess the client's thyroid gland. how should the nurse perform this assessment