A research group has discovered that damselflies, a type of dragonfly, are being infected by a particular type of aquatic protozoan. Both young and adult
damselflies are not directly infected by the protozoan but contract the infection
from the prey they eat. The graph shows the percentage of adult damselflies
infected by protozoans during the summer and early fall. Which of the following
conclusions is supported by the graph?

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.

it should be briana that has it to me

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?