Chemistry

Chemistry, 02.07.2019 04:00, windmadness5331

If you fish in four ponds, will more fish be caught in two ponds with the lowest oxygen concentrations

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Biology, 08.07.2019 02:30, christi1175

If your fish in four ponds, will more fish be caught in the two ponds with the lowest oxygen concentrations, or the two ponds with the highest oxygen concentrations?

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Biology, 08.07.2019 10:30, maddy1276

Consider two populations of fish that live in separate ponds and differ in the frequency of alleles at a locus. after a flood, the two ponds become connected by a stream and some fish are able to move between the ponds. what will happen to allele frequencies at this locus in the two populations?

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Chemistry, 21.07.2019 22:00, missy922527

Ascientist did an investigation on the growth of koi fish. he selected forty newly hatched koi from the same clutch of eggs. he separated the koi into four groups and placed each group in a different sized pond. none of the ponds had any predators that would eat the koi fish. the amount of food available to the koi and the water quality of each pond differed based on the size of the pond. larger ponds had more food available and better water quality as the fish grew. after 15 months, the scientist measured the length of each koi fish. using these measurements, he came up with an average koi size for each pond. effect of pond size on koi fish growth size of pond average length of koi 500 gallons 18.2 centimeters 1000 gallons 25.6 centimeters 2500 gallons 30.8 centimeters 5000 gallons 35.3 centimeters based on the scientist's results, which of the following is true? a. koi fish grow fastest in ponds with poor water quality. b. koi fish grow fastest in ponds with a high population density. c. the growth of koi fish is determined entirely by genetics. d. the growth of koi fish is affected by the environment of the fish.

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Biology, 25.07.2019 11:30, reesemf2006

You are doing field work on a small, uninhabited island. you are supplementing your food supply with fish that live in some of the ponds on the island. you catch a brightly colored fish with red and black stripes, filet it, pan fry it, and spit out your first bite because it tastes like it had been soaked in urine. back at camp, your guide from a nearby island is pan frying fish with red and black stripes he caught in an adjacent pond. when you tell him not to eat those, he smiles and says these are the best-tasting fish in the whole island chain! you look closer and see the pattern of the red and black stripes is just a little different from the fish you caught.what principle of ecology have you just experienced firsthand?

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