There must be something about the human brain that’s different from the brains of other animals — something that enables humans to plan, imagine the future, solve crossword puzzles ...

Animals can also be grouped as either predators that eat other animals or prey that are eaten by other animals. All animals need water to survive. Land animals will get water by drinking it.

A sea animal that looks just like seaweed. It helps it hide from other animals in the water. A small, cute armadillo with soft pink armour. It lives underground in Argentina and is very shy.