Plant >Mouse > Snake Hawk Based on the food chain shown above, energy in this ecosystem flows from
A. the snake to the mouse.
В. the hawk to the snake.
C. the mouse to the plant.
D. the mouse to the snake.

This comparative chart is an example of one that might be used by scientists and law enforcement personnel for identification purposes. the chart represents a technological advance called

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell

Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.