In an aquatic ecosystem, plants can help to remove some toxic nitrogen compounds from the water. They do this by — a. denitrifying the compounds to produce N2 gas. b. fixing the nitrogen like the bacteria that live with legumes. c. decaying to produce ammonia and other compounds. d. assimilating the nitrogen into their own biomolecules.

d. assimilating the nitrogen into their own biomolecules.

Explanation: I just had this question for an assignment.

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they each offer a fresh glut of resources to the organisms that can arrive and exploit them. as individuals and new species continue to appear, they actively and passively alter the environment. competition for shared resources increases, local abiotic and biotic conditions shift, and the relative abundances of species change accordingly. the process is called ecological succession, and it is one of the earliest and most well-known concepts in ecology.