What was the Vista program?

What was the Vista program?

AmeriCorps VISTA is the national service program designed specifically to fight poverty. Founded as Volunteers in Service to America in 1965 and incorporated into the AmeriCorps network of programs in 1993, VISTA has helped lift communities and individuals out of poverty over the course of 5 decades.

What is the definition for Species?

Species, in biology, classification comprising related organisms that share common characteristics and are capable of interbreeding. This biological species concept is widely used in biology and related fields of study.

Are all species related?

Are all species related? Yes. Just as the tree of life illustrates, all organisms, both living and extinct, are related. Every branch of the tree represents a species, and every fork separating one species from another represents the common ancestor shared by these species.

How do you determine if species are related?

The similarity in the DNA of two species is the best evidence to tell us how closely related the two species are. Another significant source of evidence is the similarities in the amino acid sequence of the proteins of the two species.

What are examples of vestigial structures?

Examples of vestigial structures(also called degenerate, atrophied, or rudimentary organs) are the loss of functional wings in island-dwelling birds; the human appendix and vomeronasal organ; and the hindlimbs of the snake and whale.

Are bat and bird wings homologous?

An example of this is the wings of bats and birds. These structures are homologous in that they are in both cases modifications of the forelimb bone structure of early reptiles. But birds’ wings differ from those of bats in the number of digits and in having feathers for flight while bats have none.

Are bats and butterflies closely related?

Insect wings lack bones, but bird and bat wings have them. Butterfly wings are covered in scales, bird wings in feathers, and bat wings with bare skin. Since wings have evolved independently in each of these groups, and don’t indicate that they are closely related, the possession of wings is an analogous trait.

Are pigs and deer closely related?

Artiodactyl, any member of the mammalian order Artiodactyla, or even-toed ungulates, which includes pigs, peccaries, hippopotamuses, camels, chevrotains, deer, giraffes, pronghorn, antelopes, sheep, goats, and cattle.