What implications need to be considered when creating environmental policies? select four options. how much will it cost? how will it affect the environment? how will it affect people? is the benefit worth the cost? how will it reduce tourist activity?

the answer is "a.) well–developed vascular system."

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?

c.           is the correct answer