Which of the following would be an example of a heritable "acquired" human characteristic as proposed by Lamarck? (Remember - he was off the mark!)
a
colorblindness
b
the presence of a tailbone in humans
c
sickle cell anemia
d
large muscles from weight lifting

What kind of seafood would you expect to have the highest levels of mercury and why? kelp, because they use the sun to photosynthesize on the bottom trophic level. oysters, because they filter feed on plankton on a lower trophic level. small fish, because they eat plankton on a higher trophic level. sharks, because they feed on organisms on a higher trophic level.

What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?

Where do the respiratory and circulatory systems meet? a. in the heart b. in the muscles c. in the lungs d. in the brain