The amount of energy lost at the transition between each trophic level of the pyramid of energy is about
a.
10%
b.
50%
c.
70%
d.
90%

Sea stars, sea urchins, sand dollars, and brittle stars are all memeber of a group, what is the common name of the group they are all in

When a human or animal consumes food, the carbon in that food is most likely to be converted into which of the following elements? a. carbon remains carbon b. nitrogen c. oxygen d. hydrogen

What in scientific term why the salty popcorn causes this thirst