Natural selection shapes adaptations in Kselected species as

Natural selection shapes adaptations in K-selected species as well as r-selected species. As you know, competition between individuals of the same population strongly influences the function of natural selection. Compare and contrast the role of competition under density-dependent and density-independent modes of selection. What is being competed for in each case? What effect does the outcome of competition have on the winners and losers involved?

Solution

Population density influenced by various factors which include biotic and abiotic factors. Density dependent factor include birth and death rate of population. Density of individual in population may decrease because of predation, Inter or intra-specific competition and disease. Within the population the competition to get resources arise which effect the number of population.

There are two types of selection of natural selection: - r-selection and K-selection. In r-selection the growth rate of species will be very high. They will predominant to survive in the less crowded niche. Hence they will produce large number offspring. The number of individual change rapidly. Opposite of R-Selection the K-selection related species number remain constant for some time. It includes the large size organism for examples Human, Whale and elephants.