Modern horses have a hoof on their feet. The fossils of their ancestors who have died out had multiple toes that then evolved into a hoof. This means that the a
Organisms that have hooves were more likely to reproduce.
b
Organisms with multiple toes didn't eat as much
c
Organisms with toes were eaten by predators
d
Organisms with hooves were taller and stronger

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. show the flow of energy in the following ecosystem by labeling each organism's link in the food chain. click once to select a label. click again to place the label in the correct location.