The Middle East is a loose term, not always used to describe the same territory. It usually includes the Arab countries from Egypt east to the Persian Gulf, plus Israel and Iran. Turkey is sometimes considered part of the Middle East, sometimes part of Europe. Afghanistan, Pakistan, India, and Bangladesh are usually described as South Asia.
Insects are the largest group in the animal kingdom. Scientists estimate there are over 1 million insect species on the planet, living in every conceivable environment from volcanoes to glaciers.
For example, the animal kingdom contains a wide variety of organisms such as birds, mammals, reptiles, amphibians, fish, and invertebrates. It is difficult for younger students to comprehend that an organism can be classified into two categories.