What would happen to the size of the herbivore population if the producer population decreased?

Which codon is the code for the amino acid histidine (his)?

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.

Temperatures in ponds and lakes vary by season. select the best answer from the choices provided t f