Answer:
I would predict that the the following generation will have a large amount of pups that are eaten by the sharks.
This question seems like its asking about natural selection.
"Natural selection is the process when organisms better adapted to their environment tend to survive and produce more offspring"
Explanation:
If the marine biologist did not give the pups medicine in the first generation, the pups that were less fit or not adaptive to the enviroment to naturally survive the infections would have died. This would have prevented these pups from passing on their genes.
The next generation would consists of pups that are more immune to the sickness or more fit for their enviroment and might experiece less pups to die.
There could be a lot of reasons. To help break down food for the plants, kill off bad and harmful things that might damage the plant.
Plants gather energy from the sun to photosythensize any more details from the question
Answer:
because by overfishing we can destabilize the oceanic environment
