Energy Pyramids
We sometimes show the amount of energy and matter in an
ecosystem by level, with producers on the bottom and top
consumers at the top. Why do these figures have a pyramid shape,
with the smallest amount of energy and matter (biomass) in the
portion representing the top predators?

Which answer lists the fundamental forces in order from strongest to weakest

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present