In the Linnaean system, organisms are classified into different groups based on which of the following? Select each correct
A- similarities in genetic sequence.
B- structural similarities.
C- similarities during embryonic development.
D- similarities in habitat.

answer:

sequence 1- deletion

                  2- duplication

                  3- insertion

                  4- substitute

                  5- inversion

the rocks are classified by the geological process they are formed by. the three main groups of rocks are igneous, metamorphic, and sedimentary. minerals are not they are classified under the chemical classes they are in. these groups include silicates, sulfates and carbonates.