The pyramid shape of tropical level comes from the loss of energy at every step
Answer:
2-sac fungi
Explanation:
Ascomycota: The Sac Fungi. The majority of known fungi belong to the Phylum Ascomycota, which is characterized by the formation of an ascus (plural, asci), a sac-like structure that contains haploid ascospores. Many ascomycetes are of commercial importance.