Based on the fitted line in Figure 2, which of the following can be concluded about the relationship between a chick's wing growth rate and its feather THg concentration? A) There is an indirect relationship between wing growth rate and THg concentration.

B) There is a positive correlation between wing growth rate and THg concentration.

C) There is a negative correlation between wing growth rate and THg concentration.

D) There is neither a positive nor a negative correlation between wing growth rate and THg concentration.

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation:

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?

multiply it by 5 in order for you to understand i cant give an exact answer.