An ecosystem refers to all the animals and plants that live together in one place and interact with each other. Different ecosystems can exist close together and some animals belong to multiple ecosystems. Every aspect of an animal's environment, including where it lives and the other organisms it interacts with, affects it. All living things are adapted to their environments in ways that help them survive, such as streamlined bodies that aid fish in swimming or thick layers of fat that keep seals warm. An animal's habitat is the place it lives and finds what it needs to survive, like food, water, shelter and mates. Living things depend on each other for food, with plants and some animals producing food (primary producers) and other animals consuming food (

1. Habitats and Food Chains

6. How is the seal adapted to its environment? Flippers to help it swim. Streamlined shape. Thick layer of body fat to keep it warm. Strong teeth to catch fish. Forward-facing eyes for clear vision ahead. Hind legs have evolved into a a strong rudder-like tail.

17. Match the predator to its prey.

18. Predators and Prey Some animals are predators, some are prey - some are both. The predator eats the prey, and the prey gets eaten by the predator.

21. Food chains always start with a plant. The lettuce is eaten by the slug, the slug is eaten by the bird.

23. Where do the arrows point?

24. The top of the food chain. Some animals are said to be at the top of the food chain. This is because they are not hunted by other animals. No other animal hunts the lion. The lion is at the top of the food chain. Can you think why?