Bottom feeders are aquatic animals that feed on the bottom of a body of a water. Crayfish is the bottom feeder. It is not active swimmer, it feed on stationary or slow pray, so it does not have such a streamlined body necessary to reduce drag during swimming. Its mouth is located on the underside of their heads and that way mouth is closer to the bottom where their food is.
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<u>Answer:</u>
If calcium were removed from the tissue then the polarity will be established within the cell but polarity will be lost in the tissue.
<u>Explanation:</u>
- Cell polarity is the cellular components like cytoplasm, plasma membranes and other various cell organelles in the asymmetric order.
- The coordinated arrangement of this cell polarity in tissue plane is called as planar cell polarity (PCP).
- Calcium is the major component in the tissues that helps in formation of bones and other parts of body, if it is removed then the polarity will not be seen in the tissue, but in the cell the polarity will be established.
Cell membraine i hope that help
Because it can cause serious infections in the lungs, blood and our brains...It may also cause urinary tract and infections in wounds.