Here are three short versions a 7-year-old can understand:
- A moose walks through sticky mud to find food and hide.
- A moose wades in mud to eat and stay safe.
- A moose goes through sticky ground to get food and hide.
How I made them shorter: 1) Kept the moose and the main actions (find food, hide). 2) Used simpler words like "walks" or "wades" and "mud". 3) Removed extra words so the sentence is easier to read.