Answer asap! must be correct for points given! super important! answer with the letter format, (example: answer = and provide an explanation why it is that answer.
which represents a deletion of a section of the dna shown here?
a—c—t—g—g—a—t
a.
a—t—c—g—a—t
b.
a—c—t—c—c—g—g
c.
a—g—g—a—t
d.
a—c—t—a—g—a—t

Which of the following is true about the introduction of a non-native species to an environment? (a) they usually adapt quickly so they can have a positive affect on the environment. (b) they can disrupt the environment and cause much damage and devastation to native species. (c) they usually become predators in a food chain and to keep prey populations under control. (d) because the native species are better-adapted to the environment, the non-native species always end up dying out.