Which of the following investigations would enable researchers to test the claim that an increased

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offspring’s chloroplasts will have been inheritedfrom plant R
?
(A) 0%(B) 25%(C) 50%(D) 100%

GO ON TObe estimated from theamount of chlorophyllain a sample of the water. A researcher studying
eutrophication
collected samples at differenttimes of the year in a freshwater ecosystem. The samples were analyzed for total nitrogen andof total phosphorous5. Which of the following best explains how higherconcentrations of nitrogen and phosphoruscontribute to
eutrophication?
a

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2).Figure 1. Amount of chlorophyllain relation to theamount
of total nitrogen
Figure 2. Amount of chlorophyllain relation to theamount (B) Both bacteria and algae require nitrogenand phosphorus, so the algae must growof chlorophylla(B) The concentration
of total nitrogen and
phosphorus

Which of the following investigations would enable researchers to test the claim

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Which of the following investigations would enable researchers to test the claim that an increased concentration of algae has a negative effect on the number of aquatic invertebrates in the ecosystem? Examining the contents of the
digestive tracts of aquatic invertebrates and looking for the presence of algae

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