Use these questions to check students’ understanding and stimulate discussion:
1. What are two ways that algae helps the sloth? (Eating algae gives the sloth energy, and its green color lets the sloth hide in the green treetops.)
2. What helps keep the algae alive?
(Moths that live in the sloth’s fur. Their bodies provide nutrients.)
3. How does the sloth help the moths? (It climbs down to poop, so moths can lay eggs.)
4. If you were a sloth, would you want green algae on your fur?
(Yes. It would help you hide from danger in the leaves.)
Go online to print or project the Reading Checkpoint.