Has anyone done a virtual pig dissection lab before? if so, me out with this and i promise it's not the entire lab! (it's a fill in the blanks - warning: there's an image attached of a pig's innards! ) "circulatory system” 1. identify structure labeled 1. 2. why would the vena cava be classified as a vein? 3. within the capillaries of the lungs, gases are exchanged by diffusion; oxygen diffuses from the to the and carbon dioxide diffuses from the the

Can you identify which of the following groups of organisms are, or are not, populations? a. the american bison (bison bison) and grey wolves (canis lupus) currently living in yellowstone national parkb. all of the rainbow trout (oncorhynchus mykiss that) that have ever lived in lake eriec. the group of american bison (bison bison) currently living in yellowstone national parkd. a group of calliope hummingbirds (selasphorus calliope) and a group of rufous hummingbirds (selasphorus rufus) living in the same new hampshire woodse. the northern cardinals (cardinalis cardinalis) living on opposite shores of lake champlain f. all of the whales currently living in the atlantic ocean off cape cod, massachusetts

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

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