Answer:
Evolution
Explanation:
Natural selection is the differential survival and reproduction of individuals due to differences in their phenotype. The organisms with the most favorable genetic traits are more likely to survive to pass on their traits to the next generation - survival of the fittest.
Natural selection drives evolution, which is the change in the inherited characteristics of a population over time. This can lead to the formation of new species.
Answer:
d. endocytosis and exocytosis
Answer:
d. They are often keystone species
Explanation:
Top predators in an environment are the largest predators and sits on the top (apex) of the food chain in an ecosystem which do not have any natural predators.
As the top predators relative to its abundance has disproportionately large effect on its natural environment, they are the keystone species most of the time.
Hence option d. They are often keystone species is the right option.