What is the correct order of the following steps in the progression of lung cancer in a smoker? 1. Cilia are lost. 2. There is a thickening and callusing of the cells lining the bronchi. 3. Metastasis occurs. 4. A tumor forms. 5. Cells with atypical nuclei appear.

Acladogram is a branching diagram that represents suggested evolutionary relationships among organisms based on the presence of unique traits. a scientist discovers a new organism that lacks limbs and does not have a true backbone. the organism lays eggs to produce offspring and has a cartilage-like rod known as a notochord running along its dorsal surface. on the cladogram below, select the species to which the newly discovered organism is most closely related.

This comparative chart is an example of one that might be used by scientists and law enforcement personnel for identification purposes. the chart represents a technological advance called

Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups