Essential amino acids cannot be made
by humans and so we have to eat them
in our diet.
False
True

Compare these two waves : a. the blue wave has a higher pitch, but the orange wave is louder. b. the blue and orange waves have the same volume, but the blue wave has a higher pitch. c. the blue and orange waves have the same pitch, but the blue wave is louder. d. the orange wave has a higher pitch, but the blue wave is louder.

Explain why scientists use shared characteristics to make cladograms.

Which statement best describes the flow of energy in this scenario