Biology, 28.12.2019 20:31 lilybear1700
The tundra ecosystem of alaska is known as a “cold desert.” it receives very little precipitation, about four inches annually. however, it is rich in wetlands due to permafrost, which traps moisture close to the surface. the temperatures vary widely, also producing persistent winds. although treeless, the arctic tundra is an abundant ecosystem. many organisms find their niche here including many migratory bird species and mammals such as caribou, foxes, bears, and small rodents. which element of the tundra ecosystem is biotic?
a. wind
b. dead bird
c. carbon dioxide
d. temperature
Answers: 1
Biology, 22.06.2019 02:00
Ateam from new york presbyterian hospital is conducting a study about a recent increase in cases involving both excess sweating and kidney stones. what would the team need before it draws a conclusion about the cases? medications that are specifically designed to treat the sickness machines that are built to process blood and reduce symptoms until patients are healthy again data that profile the various patients who report these symptoms proof that the excess sweating is related to the excessive kidney stones
Answers: 2
Biology, 22.06.2019 03:30
Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent
Answers: 1
Biology, 22.06.2019 17:30
Which of the following is not a technology that can be used to conserve resources? a. hydropower b. volcanic power c. natural gas d. geothermal select the best answer from the choices provided a b c d
Answers: 3
The tundra ecosystem of alaska is known as a “cold desert.” it receives very little precipitation, a...
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