4b. why would the vena cava be classified as a vein? all veins carry blood back to the heart, except for the pulmonary vein. the vena cava empty into the right side of the heart, so they technically bring blood to the

Question 1 of 102 pointswhich best describes adaptive radiation? oa. geographical isolation caused by an adaptationob. biodiversity resulting from few ancestorsoc. a decrease in the rate of speciationd. adaptations that organisms teach each other

According to the cladogram, which organisms have roundworms as a common ancestor?

Which must be kept in mind when determining if an explanation is correct? check all that apply. which must be kept in mind when determining if an explanation is correct? check all that apply.