Question

20 select the organisms below that are chemosynthetic autotrophs. a certain bacteria in deep - sea hydrothermal vents. b fungi in forest soil. c sulfur bacteria in volcanic regions. d algae on ocean surface.

Explanation:

Chemosynthetic autotrophs use chemical energy to produce organic compounds. Certain bacteria in deep - sea hydrothermal vents and sulfur bacteria in volcanic regions obtain energy from inorganic chemical reactions. Fungi are heterotrophs and algae on the ocean surface are photosynthetic autotrophs.

Answer:

A. Certain bacteria in deep - sea hydrothermal vents, C. Sulfur bacteria in volcanic regions