Which of the following is an example of a density dependent factor?
O A. Ten hawks hunting for food in the same field.
OB. A drought killing off the plant life in a field.
OC. A volcanic eruption destroying a forest.
О
D. A temperature rise in an ecosystem due to climate
change.

How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u. s. fish and wildlife service

Asolution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. the graph shown was plotted at the end of the experiment. what can be concluded from the graph? a) temperature has no effect on the activity of the enzyme. b) the effect of temperature on the enzyme is unpredictable. c) the enzyme shows increased activity up to a certain temperature. d) the activity of the enzyme is inversely proportional to the temperature.

Identify the structure in organisms that do not have kidneys that is adapted to regulate water balance