The correct answer would be D. This is because ecology is <span>the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.</span>
Since more than ten years ago, some authors have argued that there is a so-called "replication (or reproducibility) crisis" in a number of disciplines, including the biomedical, behavioral, and social sciences, due to the inability to replicate findings in those fields. There are studies that look at a wide range of aspects of the reproducibility of science evidence, including definitions of reproducibility,
journals published concerns about reproducibility in the scientific literature and the public press, variables involved in assessing the success of efforts to reproduce a study, suggested factors responsible for reproducibility failures, types of validity of experimental studies, threats to validity as they relate to reproducibility, and experimental studies that are more likely to be valid than others.
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It is The shoot and the root systems
<span>Active transport is the movement of molecules across a cell membrane from a region of their lower concentration to a region of their higher concentration—in the direction against some gradient or other obstructing factor (often a concentration gradient).</span>