2. detritivores are decomposes because they consume other material to break it down. 3. need to see the image on p.591 to answer but a producer is a type of plant that supplies energy to a first level consumer, a detritivore would be a type of fungi that is pictured because fungi break down materials. 4. the first box is mutualism. second box is commensalism. third box is parasitism.
B: The gravitational pull of the Sun keeps the planets from leaving their orbits.
Explanation:
Gravity is the force by which a planet or other body draws objects toward its center. The force of gravity keeps all of the planets in orbit around the sun.