Answer:
B. They are very sensitive to environmental change
Explanation:
Certain organisms like plants, animals and microbes are used to monitor pollution status of the environment. These organisms are called indicator species or bioindicators. They are widely used for pollution monitoring due to their sensitivity to environmental changes i.e. in the presence of a pollutant, they undergo morphological or physiological changes.
A common example of indicator species is the proliferation of algal species in a water body known as ALGAL BLOOM. They tend to grow excessively in the presence of pollutants in form of nitrates and phosphates which they use as nutrient.
Kidneys, Bone Marrow, and it Produces red blood cells.
The correct answer should be the endocrine system.
Hormones are secreted by endocrine glands in endocrine systems. Opposite of this would be the exocrine system consisting of exocrine glands.
The goal of the World Resource Simulation Center is best described as solving current problems regarding world resource use. They also have visual facilities that shows the trends of global and regional issues, the relevance of the issues, and the consequences of the different strategies.
The answer would be letter A.