Biology, 22.01.2021 21:00 bettylou12504
The opportunity for the natural exchange of nutrient-depleted surface water and nutrient-rich deep water is relatively high .
a. in the Mediterranean
b. where salinity is equal
c. in warm waters
d. in tropical waters
e. where there is little or no thermocline
Answers: 3
Biology, 21.06.2019 16:00
The health, management and conservation of biodiversity, is a challenge facing ecosystems worldwide. the major factors that affect the health and function of the great barrier reef are climate change and pollution. which question investigates the effects of a biotic factor on the reef ecosystem?
Answers: 2
Biology, 21.06.2019 20:00
Read the following scenario to answer the following question. over the past 60 years, many amphibian species have experienced significant population declines, and some species have become extinct. scientists suspected that local human activities such as the destruction of wetlands, regional pollution, and deforestation were the main reasons for these losses. however, research over the past 20 years reveals significant amphibian population declines in protected areas of the world, such as nature preserves and parks. these global declines suggest widespread problems including increased ultraviolet radiation, acid rain, and disease. in switzerland, for example, 14 of the 20 native amphibian species are threatened with extinction. when most populations of a wide-ranging amphibian species are lost and the few remaining populations are widely separated, we expect to see that a. the founder effect becomes increasingly important b. microevolution no longer occurs c. gene flow between populations is reduced d. artificial selection becomes a greater factor in microevolution
Answers: 2
Biology, 22.06.2019 02:30
Did you know that a single bee would have to go to over 2 million flowers to make a single pound of honey?
Answers: 1
Biology, 22.06.2019 06:00
How can you tell the difference between rough er from smooth er?
Answers: 2
The opportunity for the natural exchange of nutrient-depleted surface water and nutrient-rich deep w...
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