Predation and parasitism are 2 types of relationships that are often confused. How would you explain that they are two different types of relationships to someone that may think they are the same?

i need an image of the diagram

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?

i think its white blood cells

i hope this