Biology, 29.01.2020 15:49 ellie55991
1. increased efforts to conserve areas such as rain forests are necessary in order to
exploit finite resources
protect biodiversity
promote extinction of species
increase industrialization
2. one way to determine if pollution is affecting the ecosystem is to look at species called
an umbrella species
an indicator species
a biomarker
a frog with deformities
3.
an example of can be seen in the case study of effect of ddt as it increased in animals up the food chain.
biomagnification
the food pyramid
bioaccumulation
an indicator species
4.
which action will result in the greatest decrease in rain forest stability?
powering all homes with wind energy
harvesting nuts from some trees
removing one species of plant for medicine
cutting down all the trees for lumber
5.
the process of accumulating higher and higher amounts of a toxic material such as mercury or pcbs within the body of any animals is called
biological half-life
biological resistance
bioaccumulation
biological demagnification
Answers: 2
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Some scientists argue that global warming is related to buming fossil fuels to produce energy o increased use of fertilizers loss of forested areas a of the above
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Scientists discovered fossils in several layers of the earth you see here. they found fossils of algae, snails, and clams in layer d. given that information, where do you think they found fossil evidence of simple land plants and amphibians? a. a b. e c. f d. g
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1. increased efforts to conserve areas such as rain forests are necessary in order to
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