In the 1990s, scientists showed that archaea and bacteria are very different groups of organisms. how did this impact the classification system of organisms? the levels of classification decreased. the levels of classification increased. the trinomial nomenclature was introduced. the binomial nomenclature was introduced.

What two temperature scales do scientists use

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that a) the four organisms do not have a common ancestor. b) humans are more closely related to chimps than any other apes. c) chimps are more closely related to gorillas than they are to humans. eliminate d) there is no evidence if any relationship between the four branches on the tree.