An ancient elephantid species that originated in the tropical climates of
Asia and Africa eventually migrated
north to Europe. During this time,
global temperatures were also slowly
decreasing due to the emergence of
the Ice Age.
1. long-term change or
short-term change
2. Human-created,
natural, or both

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

Identify the missing parts of the carbon cycle

In what for do plants utilize nitrogen? why do they need nitrogen?