PLEASE HELP ME!! These notes were taken during a class about biological evolution, but the subject title is missing.

-results from immigration
-new genes brought into a population
-variation in a population increases

What do the notes describe?
gene flow
natural selection
genetic drift
mutation

Describe pasteur’s results and how they disprove spontaneous generation.

Dr. kaylan is an ecologist who studies bird behavior. she sets up an experiment to test which type of food crows are most likely to eat when given a choice between walnuts, corn, and sunflower seeds. to perform her experiment, dr. kaylan places three food bins in an area frequented by cows. each bin contains one of the three food types. then, she measures how much of each food type is eaten every day for a month and summarizes the results of her experiment in the pie chart below. based on her results, dr. kaylan concludes that crows choose to eat corn more frequently than other food sources because it has a higher nutritional value. what is a reasonable alternate conclusion that can be drawn from dr. kaylan's data

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false