Prokaryotic cells contain ribosomal subunits that are (blank)s and (blank)s which combine to form the functional ribosome which is (blank)s a) 20; 30; 40b) 30; 50; 70c) 30; 40; 70d) 30; 50; 80

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

Use the phylogenetic tree to the right to determine which statement below is true. organisms a and f are not related. organism e is more closely related to organism b than organism f. organisms c and d are more closely related than organisms a and b. phylogenetic trees

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?