Jill takes her children to play in the park every afternoon. she notices that since the city change their landscaping service, the pond in the center of the park is now covered with algae what is the most probable cause?

a. too much rain
b. not enough rain
c. excessive application of fertilizer
d. insufficient application of fertilizer

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.