B, the independent variable because this is the one that is purposefully changed in an experiment to test the hypothesis.
Explanation:
Microscopy is the science of investigating small objects and structures using a microscope. ... Microscopic means being invisible to the eye unless aided by a microscope.
Given what we know, after you’ve removed a loopful of broth culture from the culture tube you should immediately apply a flame to the open end of the test tube.
<h3>Why would this be the next step?</h3>
Once you have removed the loopful of broth culture from the tube, you should apply a flame to the end of the tube, this is of vital importance. The reason for this is to deny any other contaminants from entering or exiting the culture sample.
Therefore, we can confirm that after you’ve removed a loopful of broth culture from the culture tube you should immediately apply a flame to the open end of the test tube.
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In comparison they both show feeding relationship in an ecosystem.
In contrast, a food chain is a simple linear feeding relationship while a food web is a complex feeding relationship.
2) The arrows is to show the direction of the feeding relationship
Aldosterone increases the reabsorption of sodium ions bringing more back into the blood.
<span>This is the main mineralocorticoid hormone of the adrenal gland. The function of the aldosterone is in the homeostatic regulation of blood pressure, plasma sodium (reabsorption) and potassium levels (excretion).</span>
