Aconservation biologist has determined the status of the ecosystems in a protected area, as shown in the table below. based on the table, which part of the pie chart represents secondary succession? status of ecosystems percentage of protected area primary succession 10 secondary succession 30 barren land 5 established community 55 mc026-1.jpg segment a segment b segment c segment d

What is a codon and where is it found

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into

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.