Read the definitions and write the words. 1 to watch an animal carefully to find out something about it; 2 a group of plants or animals with members that have similar features; 3 describes something that no longer exists; 4 an animal that is caught by another animal for food; 5 the act of looking after animals, places or resources so that we don't lose them; 6 an animal that hunts other animals; 7 someone who introduces a television or radio programme; 8 to keep something safe from getting hurt; 9 the natural home of an animal; 10 describes a species in danger of dying out