Select all of the following that are examples in which the ratio of surface area to volume of cells is increased. Cuboidal epithelial cells are about as wide as they are tall.
ey are
O Amoebas have extensions of their cell membrane.
Paramecia are horizontally flattened in shape.
Nerve cells are long and thin.

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

Humans are believed to have evolved in coastal regions in east africa. the region had an abundant supply of fish for early humanoids to eat. when scientists analyze the fads gene they see an interesting pattern. people whose families have lived in this area of east africa for generation show a high level of diversity in alleles for the fads gene. conversely, people whose families had migrated inland a moderate distance from sources of fish showed a much lower diversity for fads gene alleles. additionally, the fads alleles found in people whose family has lived inland for generation are almost all gene alleles which produce fads proteins with a high level of function and activity. how do anthropologists explain this?

What is the inability of an individual or a society to achieve a minimum standard of living known as ?