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FromTheMoon [43]
4 years ago
11

A population of shrimp suddenly starts collapsing. A biologist believes that toxins in the food chain are interfering with larva

e development. A climate scientist believes that a change in water temperature is depleting food sources from the water. Why are both of these options valid scientific hypotheses?
Biology
1 answer:
laila [671]4 years ago
7 0
Both options are valid because they have happened before and can influence the mentioned drop in the population. Toxins in the food chain, just like the increase of water temperature, are easily proven and found and are mostly human made.  
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In the given example, the anti-B antibodies are present in the donor plasma.  Since anti-B antibodies react with B antigen present on the RBCs of blood, Mrs. Jones should have B antigen on the surface of her RBCs. The blood type with only B-antigen on the RBC's surface is blood type "B".  

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