21. What kind of fungi helps the forests? Symbiotic fungi
Parasitic fungi
Epiphytic fungi
Autotropic fungi

Symbiotic fungi.

Explanation: A certain group of symbiotic fungi called mycorrhizal fungi is responsible for establishing a relationship with the roots of trees or plants.

science-ocean floors and habitats study guide by volleyballqueen3817 a major advance in ocean-floor mapping. list four sections of the ocean floor. algae that use sunlight to produce their own food through photosynthesis. all of the feeding relationships that exist in a habitat. drying out, predators, find food.