The respiratory membrane is the diffusion barrier across which respiratory gases are exchanged between the blood and the air in the alveoli. It consists of the following except:
A.
Plasma membrane of the type I alveolar cell

B.
Plasma membrane of the capillary cell

C.
Muscular layer of the capillary wall

D.
Fused basement membrane of both cells

The phylogeny chart shows the evolution of camels. camelus is the modern-day camel. based on this chart, which three statements are true? ⭕ modern camels are more related to stenomylus than to eschatius. ⭕ stenomylous and modern camels do not share a common ancestor. ⭕ modern camels are more related to camelops than to aepycamelus. ⭕ pliauchenia and oxydactylus may share similar features. ⭕ procamelus and stenomylous may share similar features.

Select three sports that require participants to be highly fit before the beginning a: snowboarding b: skydiving c: rock climbing d: bungee jumping e: free diving f: hiking

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