During a hurricane a small population of a species of bird is carried to a nearby island where this species is not found. The island population subsequently diverges from the ancestral population and becomes a new species. This is an example of:.
A. sympatric speciation
B. parapatric speciation
C. the peripheral isolate model of allopatric speciation
D. the vicariance model of allopatric speciation
E. the hybrid zone model of speciation

Which is the best example of plant tissue? the answer is d (just took the test)

Read this summary of a scientific theory: "cells are the most basic structural and functional units of life. all living organisms are made up of one or more cells. all cells that are alive in the world today came from pre-existing cells." which of the following would require this theory to be modified? -a.) a survey finds that a majority of people believe viruses carry out the basic processes of life. -b.) a prominent scientist says she feels strongly that one day the theory will be challenged by life on other planets. -c.) the dna of unicellular and multi-cellular organisms is shown to have many fundamental similarities. -d.) scientific observations show that microscopic organisms living in the deep ocean are not made up of cells.

Located at the epidermal-dermal junction of the skin. select all true statements about the transformation of melanocytes into abnormal cell