Biology 2010 JAMB Past Questions - Question 37: The activity of an organism which affects the survival of another organism in the same habitat constitutes

Correct Answer

B

Explanation

B - Biotic factors are living factors. They are plants and animals which affect one another through these associations namely, predation, parasitism, symbiosis, holozoic feeding etc. Physiographic factors are factors that are concerned with -he structure of the surface of earth i.e. landscape. These factors are altitude,slope and exposure and their effects on the habitat depends on landscape. Apiece of land may have mountain, valley or fiat terrain. The top of mountain is usually exposed to wind action and intense heat of the sun. The small animals at the "top of mountain are exposed to predators. Rain water washes down the nutrient to the base of the mountain because it is usually sloppy. Edaphic factors are soil factors which affect the growth of plants and animals. These soil factors are .type of soil and their characteristics. The type of soil found in a particular locality determines the kind of vegetation that will exist there. The abiotic factor is the non-living factors of the environment. It includes the wind, rainfall, temperature, humidity etc.