Correct sentence: A panther can see well in the dark and can climb trees perfectly.
Simple version: Panthers see well in the dark and climb trees easily.
Step-by-step explanation for a 6-year-old:
- Capital letters: Only the first word at the start of a sentence should be big. So use "panther" with a small p unless it's a name.
- Helping word: Saying "can see" shows the panther's ability. It's a little clearer than just "sees."
- Same form for both actions: If you use "can," use it for both actions (see and climb) so the sentence sounds smooth.
- Word choice: "Perfectly" is okay, but "easily" is a simpler word that means the same idea here.
Nice sentence — you just needed smaller letters for "panther" and a tiny change to make it sound even better!