Pick your answer from:
[1]. territory;
[2]. predators;
[3]. food;
[4]. trees;
[5]. liquid;
[6]. warmth;
[7]. water;
[8]. oxygen;

Fact 1: An aquatic animal requires great amounts of water to survive. Fact 2: Almost all of our turtles are aquatic or semi-aquatic. Given the two facts above, almost all turtles require great amounts of what to survive?
Answer:
[7].