Answer:
C. The bacteria that survived were transformed with plasmid that contains the resistance gene for ampicillin.
Explanation:
Plasmids are small, circular double stranded DNA molecules that are found in bacteria. It carries genes that provides the bacteria with an advantage.
There are five types of plasmids namely, Fertility F-plasmids, resistance plasmids, Virulence plasmids, degenerative plasmids and the Col plasmids.
Ampicillin is an antibiotic that is supposed to kill the bacteria. However, most bacteria have resistance plasmids that can lead to antibiotic resistance.
That explains why some of the bacteria survived.
Answer;
A density-independent limiting factor
Explanation;
-A density-independent factor is any factor limiting the size of a population whose effect is not dependent on the number of individuals in the population.
-These factors can affect a population irrespective of its density. For example: natural disasters, temperature, sunlight, human activities, physical characteristics and behaviors of organisms affect any and all populations regardless of their densities.
Reverse fault would be the answer
Answer:
A
Explanation:
Artificial means man made or not made by nature basically, meaning that humans breeding organisms for certain characteristics would be artificial.