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Author Archives: Anonymous

High productivity characterizes several marine ecosystems, b…

High productivity characterizes several marine ecosystems, but specific attributes that contribute to high productivity are not necessarily the same in all 5 systems.  From the list below, choose the best description of how productivity can be high in each ecosystem.   deep sea hydrothermal vents

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Food webs are one way to organize a lot of information about…

Food webs are one way to organize a lot of information about an ecosystem in a way that can help us to understand the dynamics of the system.  Please choose the ecosystem that is described by each of the following phrases:   Excess nutrients added to the ecosystem can increase growth of algae that outcompete the dominant structure-providing organisms 

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The experience of a phytoplanktonic organism with a low Reyn…

The experience of a phytoplanktonic organism with a low Reynold’s number swimming through water could be compared to the feeling of a human:

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Pelagic fishes often have dark tops and white bottoms to con…

Pelagic fishes often have dark tops and white bottoms to confuse predators – with this counter-shading pattern they can simultaneously confuse birds that are looking down and larger pelagic fishes that are looking up

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Large eyes are a consistent feature of fishes that live in t…

Large eyes are a consistent feature of fishes that live in the very low  light conditions of the mesopelagic.

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Two very different benthic systems in the deep sea are:  dee…

Two very different benthic systems in the deep sea are:  deep sea sediment communities and deep sea hydrothermal vent communities.  Indicate which of these communities is described best by each of the following phrases       higher standing biomass  (per square meter)

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Low biomass of algae on a coral reef that is teeming with la…

Low biomass of algae on a coral reef that is teeming with large schools of herbivorous fishes could indicate that the herbivores are consuming the algae as quickly as it is growing, i.e., the primary productivity might be high even though the standing biomass is low.

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Which of the following is a drug of choice for male baldness…

Which of the following is a drug of choice for male baldness?

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What information should the nurse provide a client newly pre…

What information should the nurse provide a client newly prescribed propylthiouracil (PTU) about its primary mode of action?

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An adult client has reported experiencing a dry mouth and co…

An adult client has reported experiencing a dry mouth and constipation after several nights of taking an over-the-counter (OTC) sleep aid. The nurse should suspect that this medication contains what antihistamine?

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