Match the four components of an ecosystem with appropriate examples of each.
a. producer: volvox, consumer: bacteria, decomposer: fungi, abiotic: water
b. producer: sunlight, consumer: man, decomposer: fungi, abiotic: c2o
c. producer: elodea, consumer: squirrel, decomposer: crayfish, abiotic: phosphates
d. producer: paramecia, consumer: omnivores, decomposers: bacteria, abiotic: water