Which group of mammals exhibits the widest distribution and greatest diversity? ? a. ? cetaceans b. monotremes c. ? primates d. ? placentals e. ? marsupials?

Which describes how weathering and erosion are different? weathering is caused by water. erosion is caused by wind and ice. erosion transports sediments. weathering is a natural process.

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.

Compare the depth of field when focusing with low power and high power. which power has the greater depth of field?