Which scenario can lead to an unintentional introduction of a nonnative species into an aquatic ecosystem? A.) a different type of fish is used to replace an overfished fish species
B.) a pet eel is release into a lake when a family moves away
C.) fish from another state is released into a river for food
D.) a new species of bacteria is introduced by a boating family into a lake
E.) a species of seaweed is added to a waterfront to feed fish

20 pts i don't really get this xd1. what is the function in humans of the protein produced from that gene2. would you expect to find the same protein in other organisms? if so, which ones? 3. is it possible to find the same gene in two diff. kinds of organisms4. if you found the same gene in all organisms you test, what does this esuggest about the evolution of this gene in the history of life on earth? 5. does the use of dna sequences in the study of evolutionary relationships mean that other characteristics are unimportant in such studies? explain your answer. what am i supposed to do here