I NEED HELP ASAP I WILL MARK BRAINLIEST IF CORRECT What is a radula?
a hard outside shell used for protection
a muscular foot that helps move the animal around
a muscular limb used for digging in mud or sand
a tonguelike organ that is used for feeding

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.

The chemical form of energy that is useable by the cell to do work

Which are characteristics of flukes? check all that apply. a they are free living. b they are a type of flatworm. c they reproduce sexually. d they have eyespots. e they are segmented.