Describe the scientific explanation of the origin of life on Earth

Explain the importance of producers, primary consumers, secondary consumers. and decomposers in an ecosystem

Y’all i need answers plss people are saying me and my brother look alike although we’re two different ages. one year apart i’m a girl, btw i’m thinking we could be fraternal twins idk my parents and my friends think we look alike

What type of competition exsist between two species. turtles and fish