Unlike endocrine glands, exocrine gland RELEASE SECRETIONS OUTSIDE OF THE BODY.
There are two types of glands in the body, the endocrine and the exocrine glands. The endocrine glands are ductless glands and their secretions are normally released directly into the blood stream. The exocrine glands on the other hand have ducts, through which their secretions are release outside the body. An example of this is the sweat gland.
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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The answer is A. Man-made
Answer:
Trees share water and nutrients through the networks, and also use them to communicate. They send distress signals about drought and disease, for example, or insect attacks, and other trees alter their behavior when they receive these messages.