NEET BIOLOGY

Detailed explanation-1: -Answer. Competition takes place when two or more organisms or species within an ecosystem seek the same resource. Since the two species of grass have similar nutrient needs, they will be competing with one another for the nutrients available in the soil of the plot of land.

Detailed explanation-2: -Intra-specific interactions are those that occur between individuals of the same species, while interactions that occur between two or more species are called inter-specific interactions.

Detailed explanation-3: -Commensalism: Commensalism occurs when one organism is positively affected by the relationship while the other organism is not affected, either negatively or positively, by the interaction. Cattle egrets who feed on the insects stirred up by domesticated cattle are an example of commensalism.

Detailed explanation-4: -The interaction between egrets (birds) and grazing cattle is an example of commensalism.

Detailed explanation-5: -Interactions between two or more species are called interspecific interactions-inter-means “between."