How are salmon and lampreys different? Salmon have a jaw. Lampreys have scales. Salmon have a cartilaginous skeleton. Lampreys have a swim bladder.

Which would be the most useful source of evidence to support mcneill's contention?

Which statement describes compounds a. compounds are made of one type of atom. b. compounds cannot be represented by models. c. compounds are represented by chemical formulas. d. compounds cannot be broken down into simpler forms.

Which organelle plays a role in intracellular digestion?