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They can respond to changes in their environment which the answer is
D. Mollusks and arthropods can respond to changes in their environment, while jellyfish and sponges cannot.
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Sarah should found a Gills when she observes closely and dissecting the organism. A gills is what species in the water use for breathing, when people or human have lungs to breathe, fish or underwater species use gills to breathe in water. It is a respiratory organs of animals especially fish.
Answer:
Ant sting release methanoic acid or formic acid. The chemical formula of methanoic acid is HCOOH
The process responsible for this is mass movement.
