Answer:
B) K - selected species
Explanation:
Usually, large in size individuals such as whales, hipopothamus, horses and bears are K-selected species. They have a low biotic potential which means, they produce small amount of individuals in the reproduction and possess relatively stable populations.
On the ther hand, species such as fleas, rats, and rabbits (between others) are rated r-selected species, which means they have a high biotic potential; have a large amount of individuals per birth.