1. How much does a one square centimeter column of air weigh at sea level? 3.1 kilograms

10.3 kilograms

1.03 kilograms

100.325 kPa

The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important

As studied this week in the cell cycle, we saw how a cell moves through its life with a plan. as you transition from a student at uma to a valued member of your chosen career field, what will you put into place in your life to manage and to fit the new responsibilities of your career into your current life?

8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.