Which human activity has affected the nitrogen cycle? i. use of fertilizers ii. combustion of fossil fuels iii. deforestation?

State officials are considering constructing a road through a forested wilderness area. this action will likely affect the forest ecosystem in various ways. part a: predict how the construction of a road could negatively affect plants and animals in that ecosystem. (3 points) part b: describe one way that the construction of a road could have a positive impact of the forest ecosystem. (1 point)

Compare the shapes of the bones of the human skull with the shapes of the bones of the human leg. how do the shapes differ? why are the shapes important?

Darwin’s studies of finches on the galápagos islands suggest that the finches’ differences in beak structure were most likely directly due to: