It should be a food web, because there are various producers and consumers, and the bears and humans eat each other
Answer:
Actin filaments return to their original positions (does not occur in muscle contraction, according to the sliding filament model).
Explanation:
A blue shift is any decrease in wavelength, with a corresponding increase in frequency, of an electromagnetic wave; the opposite effect is referred to as red shift. In visible light, this shifts the color from the red end of the spectrum to the blue end.
The correct option is A. ALS is an acronym for Amyotrophic Lateral Scelerosis; it is a disease that attack nerve cells in the brain and in the spinal cord which are necessary for voluntary movement. It is a progressive neurodegenerative disease which most people lost due to respiratory failure.
