Answer:
Census
Explanation:
A census is a study that obtains data from every member of a population. In most studies, a census is not practical, because of the cost and/or time required.
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Its a pentose monosaccharide ( a class of carbohydrate)
There is no "form" listed. I'm guessing Carbon dioxide.
Answer:
the prey of crabs would be positively affected, and the predators of crabs would take a negative effect to the extinction of crabs
Explanation:
small clams, starfish, snails, worms, squid, mussels, shrimp and small fish would all be positively affected if crabs were to go extinct, because all that is listed are part of a crabs diet, for both large and small crabs. the ones which would be negatively affected would be the predators of crabs, such as cobia, eels, striped bass, jellyfish, red drum, American eels, sharks, dogfish, sea rays, and smaller fish. they would take a negative affect to the extinction of crabs because as said before, these are all predators of crabs, so the extinction would remove them from their diet, forcing them to find other sources for food
The correct answer is 1, tight junctions. Tight junctions are the junctions seal adjacent epithelial cells in a narrow band just beneath their apical surface. They contain a network of claudins and other proteins. They limit the passage of molecules and ions through the space between cells.
