Biology, 01.08.2019 13:00 ezrabridger49
The fish in a pond are dying because of algal bloom. algal bloom is caused by the presence of excess phosphorus or sulfur in the pond. an investigation into the matter indicates that chemical fertilizers made in a factory nearby are responsible for the presence of these chemicals in water. under what conditions might this data be considered biased? a) if there are no other possible sources of fertilizers near the pond. b) if other living organisms in the pond were also dying along with the fish. c) if the farms nearby use organic fertilizers rather than chemical fertilizers. d) if the farms nearby use chemical fertilizers that could be washed into the pond.
Answers: 1
Biology, 22.06.2019 04:30, ROBIOX3551
The green colored pigment in chloroplasts is? a. nitrogen b. chlorophyll c. chlorophorm d. chlorofloromethane
Answers: 2
Biology, 22.06.2019 08:00, lmorace
Aparent with freckles is crossed with a parent without freckles. the punnett square shows the possible genotypes and phenotypes of the offspring. which statement accurately describes the probability of phenotypes? a. the offspring are more likely to have freckles. b. the offspring are more likely to have no freckles. c. the likelihood of the offspring having freckles and not having freckles is the same. d. the likelihood of the offspring having freckles and not having freckles cannot be determined.
Answers: 1
The fish in a pond are dying because of algal bloom. algal bloom is caused by the presence of excess...
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