The primary consumer in a food chain that would receive 10% (converted to biomass) of the Sun's energy is the mouse.
The Elm tree would receive all (100%), the mouse follows as it eats greens, then the snake as it eats mice, then the hawk as top in the food chain in terms of the energy from the Sun itself.
The answer is A (the sun)
A spore is <span>a reproductive cell produced by slime molds</span>
Translocation
also known as non disjunction