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For protection hermit crabs use gastropod shells to hide their bodies so only their heads are visible. Students research why the population of hermit crabs has been decreasing. One question hey should ask is-

Respuesta :

Answer:

Due to suffocation and toxic paint.

Explanation:

The population of hermit crabs has been decreasing because of suffocation and poison. Many crabs actually die slowly from suffocation because their gills require high humidity in order to breathe properly. Hermit crabs are slowly poisoned by tap water in which the toxic substances present in the paint that dissolves their shells that leads to the death of hermit crabs.