Question

which type of competition happens between two organisms of the same species? intraspecific competition invasive competition nonspecific competition

Explanation:

In ecology, competition between organisms of the same species is defined as intraspecific competition. "Invasive competition" is not a standard term for this concept, and "nonspecific competition" does not refer to same - species competition. So the correct option is the one with "intraspecific competition".

Answer:

A. intraspecific competition