Fact 1: An animal needs to attract a mate to reproduce. Fact 2: Every member of every species needs to meet the challenges of survival and of reproduction. Given the two facts above, what must an animal find to ensure survival?

Pick from:
(1). disaster;
(2). warmth;
(3). food;
(4). space;
(5). predators;
(6). smell;
(7). mate;
(8). DNA;
Answer:
(7).