Question

Adaptive radiation would result from:

a. character displacement

b. dispersal

c. niche partitioning

d. vicariance

e. any of the above

Answer 1

Ans. (e) Any of the above

The Adaptive radiation is the process by which a single or group of ancestral species, rapidly diversifies into a greater no of descendant species that occupies a variety of ecological niches. These occurs mainly by environmental and geographical factors including, geographical isolation, spatial and functional habitat seperation, environmental stress etc. These of the following factors bring up change in the certain characters, in same species but seperated by geographical isolation or environmental factors. This may result in mutation and speciation.