Which of the following is an example of a fossil with original preservation? a. a mold of a fish skeleton
b. a coprolite (fossilized feces)
c. a dinosaur footprint
d. an insect embedded in amber

This is the interaction of two organisms where one is and the other is neither nor harmed.

When a population split into two subgroups what is most likely to cause the subgroups to develop different traits?

Which table best shows the impacts resulting from human activity? impact of human activities human activity impact use of manure and other organic fertilizers reduction in population of birds use of pesticides in farms increase in bird population in nearby wetlands impact of human activities human activity impact use of manure and other organic fertilizers reduction in animal population use of pesticides in farms increase in population of native insects and bugs impact of human activities human activity impact use of plastic decrease in marine animal population removal of beach grass increase in pollution of ocean impact of human activities human activity impact use of plastic increase in fish population removal of beach grass decrease in sand erosion