All mutations result in?
a. tissue destruction
b. an alteration of genetic material
c. organ function
d. physical changes in an animal

Organisms are classified, or grouped into categories, based on similarities in their characteristics and/or evolutionary relationships. the study of how organisms are classified is known as

Environmental differences within ecosystems are generally caused by

Which two factors contributed to creating a global culture? the creation of the united nations improvement in telecommunications health issues such as the ebola virus increased opportunities for global travel