Sampling macroinvertebrates is a common way for scientists to assess stream water quality. Can you think of other ecosystems where sampling biodiversity would be important? If so, what kinds of species would you want to sample for in that ecosystem, and why? I need this answered asap so 5 stars to anyone who can answer this accurately.

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.

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