Black truffles are a unique type of fungi that are highly prized by chefs and food enthusiasts throughout the world. Which characteristic is seen in truffles but not in common mushrooms?
lack a reproductive phase
contains hyphae
has spores contained in ascus
has spores contained in basidia

Aprimary producer stores 9,000 kcal. in the energy pyramid, if a primary producer is consumed by a first-level consumer, and that first-level consumer is consumed by a second-level consumer and the second-level consumer is consumed by a third-level consumer, how much energy is stored by the third-level consumer from the primary producer? *