I would say almost all types of muscles. Skeletal, cardiac, or smooth, they all need neurons. Without them, it could cause flaccid and spastic paralysis, or other types of diseases.
Answer:
Plants and trees are the primary sources of food for a food chain or a food web. If the population of the primary producers reduces than it affects the whole food web. If the deciduous trees are destroyed due to a fire, there will be less food available for the primary predators. As a result, competition will begin between them and their population will decline. Due to this, the population of other organisms which fed on the primary consumers will also decline.
They concluded that horses evolved with the emergence of grasslands and an increase of predators. The digits of their early Eocene ancestor evolved into hooves.
The enzyme increases the rate of reaction it catalyzes.
