Didymo threatens the north georgia trout populations. what is the best way georgians can prevent the spread of didymo? a) avoid wading in the north georgia waters to fish for trout. b) do not travel from one body of water to another to fish without changing waders or other water shoes. c) completely disinfect waders and all gear before entering any body of water in north georgia to prevent the spread of didymo. eliminate d) using a field disinfection agent and specific techniques for killing didymo on in recreational and fishing areas throughout the state.

Answer;

The correct answer would be option C.

Didymosphenia geminata or didymo is a diatom species that grows rapidly in the freshwater and deprive the nutrition out of it. It spreads like invasive species and its growth threatens the freshwater population.

It can spread in water bodies due to the activities of human in and out of the water bodies.

To prevent the spread of this freshwater pest one must follow the check, clean and dry methods.  

Check and remove all the plant matter or any clump from the water gear and put it on the riverbank.

Clean the water gear thoroughly with any one of the following hot water, household bleach, disinfectant, or dishwashing detergent, antiseptic cleaner.

If cleaning is not possible then completely dry the item completely and wait for an additional 48 hours before entering into another water body.

above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.

on island x the species needed to adapt because they were being subject to predators which didn't inhabit island y.