What are the key differences between Aspergillus and Penicillium in terms of their characteristics and functions?

Aspergillus and Penicillium are both types of fungi, but they have key differences in their characteristics and functions. Aspergillus typically has a more complex structure with a distinct conidial head, while Penicillium has a brush-like conidiophore. Aspergillus is known for its ability to produce a wide range of enzymes and secondary metabolites, while Penicillium is famous for producing the antibiotic penicillin. Overall, Aspergillus is more diverse in its functions and habitats, while Penicillium is more specialized in its antibiotic production.