Bees are a type of insect that belongs to the order Hymenoptera, which also includes ants and wasps. Bees are known for their role in pollinating flowers and plants, as well as for producing honey. There are over 20,000 known species of bees, which can be found on every continent except Antarctica. Bees have a body structure that is adapted for collecting nectar and pollen from flowers. They have two pairs of wings, and their bodies are covered in tiny hairs that help to collect pollen. Bees also have a long, slender tongue that they use to lap up nectar from flowers.