Answer:
Overfishing is the level of excessive capture of marine animals.
Explanation:
Overfishing poses a great threat to marine biodiversity and ecological balance. The abundance of populations of large predators such as cod, tuna and swordfish has decreased by 90% due to overfishing. If we continue fishing at the current rate, scientists estimate that by 2048 any fish in the sea will have disappeared. Our seas are vulnerable and sensitive and a sudden and significant change in the number of individuals of a species can put great pressure on their ecological environment and a change in the balance of the oceans, and even in the food chain of other species.
C causes central nervous system damage to humans
Answer:
Genetic material
Explanation:
Conjugation is one of the ways by which bacteria exchange their genetic material (horizontal gene transfer). Two bacterial cells must physically connect in order to perform the conjugation. The linking occurs through a pilus.
Pilus is an appendage on the surface of bacteria cell and it is also called fimbria. Pilus is filamentous, tubular and composed of oligomeric proteins-pilin.
Donor cell contain pilus that will attach to the recipient bacterial cell and induce the transfer.
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