2. Which list below correctly shows the levels of organization in an organism from left to right?
A organs->tissues->organ systems->cells--> organism
B. cells--->tissue >organs-->organ systems->organisms
C. organism-->cells >tissue->organs --> organ system
D. tissues-->cells--->organ systems-->organs-->organism

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

Blood has traveled from the heart to the toes. which describes the next step of the circulation process?

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.