They pollinate plants, which saves farmers work. Insects such as bees and butterflies help to pollinate plants.
Answer: Brain stem
Explanation:
The brainstem can be defined as a structure which is present in between the midbrain and the cerebrum. This controls the flow of information from the brain and the rest of the body. It also controls the functions like breathing, heart rate, consciousness, sleep and wake cycle and blood pressure. The brain stem consists of pons, midbrain and medulla oblongata.
86 % of plants and animals
The Republic of Korea. (Check my source of the World Cancer Research Fund first.)