Biology, 01.08.2019 23:00 bellaisbored202
the amount of available energy changes between the trophic levels found in a food chain or energy pyramid. photos (left to right) by mehmet karatay, jens buurgaard nielsen, furryscaly, and walter siegmund in the food chain shown, which of the following changes between trophic levels would have the highest energy conversion efficiency? a) leaf to mouseb) mouse to snakec)snake to hawkd)all changes would have the same efficiency
Answers: 2
Biology, 22.06.2019 07:00
Environmental science are unconsidered with methods to preserve natural resourcesa.trueb.false
Answers: 1
Biology, 22.06.2019 23:00
Waste water from industries and domestic sources can be treated by chlorination or ultraviolet radiation. there are pros and cons to using either chlorine or uv radiation to kill harmful microorganisms. what is one reason chlorination would be preferred over ultraviolet radiation? a) chlorine only eliminates visible impurities and is ineffective against microorganisms. b) chlorine not only kills bacteria but provides a residual effect on returning microorganisms. c) uv radiation can be used only to treat drinking water and is ineffective in treating waste water. d) ultraviolet radiation is more effective
Answers: 2
Biology, 23.06.2019 00:30
Male satin bowerbirds build bowers like the one shown below. they decorate the bowers with brightly colored blue objects in order to attract females. male bower birds attract mates with their a. feathers b. looks c. behavior d. songs
Answers: 2
the amount of available energy changes between the trophic levels found in a food chain or energy py...
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