Use the evidence in the text to select the photosynthetic organism.

 - Stinging nettle slug caterpillars are covered in sharp spines that protect them from predators. These caterpillars get the energy they need to live by eating leaves.
 - Aloe ferox plants have thick, spiny leaves and red flowers. These plants make sugars from carbon dioxide and water. The plants get the energy they need to live from these sugars.
This organism is photosynthetic:
The text tells you that Aloe ferox plants get energy from the sugars they make using carbon dioxide and water. This is evidence that the Aloe ferox plant is a photosynthetic organism.
This organism is not photosynthetic:
The text does not provide evidence that the stinging nettle slug caterpillar is photosynthetic.