The process of individuals in a population producing more offsprings than there are limited resources to survive and reproduce leads to: a) survival of the fittest b) descent with modifications c) genetic equilibrium d) struggle for existence

If bacteria are much too small to see, what is one reason why can we see colonies in the petri dishes that have plenty of food to eat after only a few days?

Approximately what wavelength of light is best absorbed by chlorophyll a

Brian has a medical condition called cone dystrophy, which is a disorder of the cone cells in the eye. what symptoms would you expect brian to have? a. inability to see in the dark b. difficulty determining colors c. difficulty determining shapes and outlines d. inability to see in all light conditions