Question

a farmer growing corn must water the corn crop regularly due to intraspecific competition interspecific competition natural selection carrying capacity

Explanation:

Intraspecific competition is competition among members of the same species for resources like water. Corn plants in a field compete with each other (intraspecifically) for water when it is limited. Interspecific competition is between different species. Natural selection is about survival and reproduction of the fittest. Carrying - capacity is the maximum number of individuals an environment can support. Since the corn plants are of the same species competing for water, it's intraspecific competition.

Answer:

intraspecific competition