What is the answer to what a muscle located behind your lungs called?

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.

What is the relation ship between structure and function in an organism

The most famous fossil called archaeopteryx is which of the following? a dinosaur a fern a fish a bird