Speciation, which leads to diversity among species through natural selection, occurs when А) species experience change within their lineage and develop new characteristics.

B) species interact with other species in an ecosystem and develop similar traits to each other.

C) once similar species are no longer able to mate and produce fertile offspring.

D) organisms develop characteristics that mimics traits of a completely different species.

1. a tropical dry forest carries out more rapid nutrient cycling

the sphincter muscles at the end of the digestive tract is the anus.

starchy vegetables are high in carbohydrates.

starchy vegetables contain more carbohydrates than non-starchy vegetables.

explanation:

there are two primary categories of carbohydrates, essentially differentiated on the basis of their carbohydrate content (which is in the form of starch - a complex carbohydrate):

those vegetables which contain little amounts of starch are termed as non-starchy vegetables, and some examples include: artichokes, broccoli and bean sprouts.

vegetables high in their starch content are distinguished as starchy vegetables, and some examples include: potatoes, chickpeas and corn.