The removal of plant material, such as grass clippings, would most likely affect an ecosystem by
a decreasing the potential for soil erosion
b increasing the food available for consumers
c decreasing the nutrients available for new plants
d increasing the accumulation of organic materials

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 average speed of a car that traveled 300.0 miles in 5.5 hours

All eukaryotic cells contain small bodies called