Biology, 08.10.2019 20:00 annamariaafowyhrq
Which types of species tend to dominate river ecosystems? how do conditions between fast-moving 'headwaters' (or sources) of rivers differ from slow-moving 'mouths' of rivers? where are the majority of producers in a lake located? where would you expect to find the largest food webs - oligotrophic, mesotrophic, or eutrophic lakes? explain. what characteristic defines a wetlands? why are wetlands so ecologically productive, and what valuable ecosystem services do they provide to humans? where are coral reefs generally found, how are they built, and why are they under heavy threat from bleaching? do the vast open oceans areas deeper than ~200 meters and away from coastlines support much life? explain
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Biology, 21.06.2019 14:00
How are carbon dioxide emissions affecting the earths natural cycle of temperature change? plz apex
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Biology, 21.06.2019 17:20
Joe is breeding cockroaches in his dorm room. he finds that the average wing length in his population of cockroaches is 4 cm. he chooses the six cockroaches that have the largest wings; the average wing length among these selected cockroaches is 10 cm. joe interbreeds these selected cockroaches. from earlier studies, he knows that the narrow-sense heritability for wing length in his population of cockroaches is 0.6. a. calculate the selection differential and expected response to selection for wing length in these cockroaches. b. what should be the average wing length of the progeny of the selected cockroaches?
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Biology, 22.06.2019 06:40
Under the soviet system, the government a. controlled all forms of communication. b. allowed newspapers to print whatever they wanted. c. controlled editorials but not the reporting of news. d. encouraged access to a wide variety of news sources. select the best answer from the choices provided a b c d
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Biology, 22.06.2019 07:30
Directions: read the descriptions of the four islands presented in the lesson. 1. list two new traits that each new species of rat might demonstrate as it adapts to the conditions on each island. 2. introduce one of the four new rat species to another island and describe one challenge it would encounter and one success as it adapts to its new environment.
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Which types of species tend to dominate river ecosystems? how do conditions between fast-moving 'he...
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