Class 4 science printable worksheets for Animal Life A. A kind of snake B. A kind of bird C. Animals who live their life in water and on land D. Animals who fly and walk on earth What do scavengers eat? A. Dead animals killed by other predators. B. Dead animals they kill them selves. C. Salt water. D. Fresh flowers. What are warm-blooded animals? A. Animals whose blood temperature is always warm