Which organism first appeared during the cenozoic era? a. cyanobacteria b. trilobite c. wolf d. dinosaur

is it b or a or d? i know its not wolf

i need an image of the diagram

some fungi obtain their nutrients from a living host (plant or animal) and are called most biotrophic fungi have fairly narrow host ranges—they are specialized on a limited called rhizomorphs that allow the fungus to grow from one tree to another. ascospores are formed inside a sac-like structure called an ascus. so your answer is a