The purpose of fungi and algae is to decompose dead plants and animals to break them down into smaller molecules that can be used by other members of the ecosystem
Answer: for number 1 : ➡Some unicellular fungi are used in production of bread and beer➡Fungi associated with the root of higher plants as mycorrhizae are used in agriculture. Economic Importance of Algae : ➡Algae are primary producers for all aquatic animals in food cycle
for number 2: Algae regenerate by sexual reproduction, involving male and female gametes (sex cells), by asexual reproduction, or by both ways. ... Many small algae reproduce asexually by ordinary cell division or by fragmentation, whereas larger algae reproduce by spores.
