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Animals - Slow Moving Waters
Zooplankton are common here and include an assemblage of protozoa and smaller crustacean, such as water flies, and copepods. Neuston occurring here are several insects such as water striders, water boatman, backswimmers and predaceous diving beetles, all of which spend most of their time at the surface of the stream.
The nektons are numerous and include large crustaceans like the fresh water shrimp and many types of insects and fishes such as carp and catfish all of which are different species from those of the fast water regions. The benthos here include the snow bugs, mayfly naiads and dragonfly naiads which occur on the surface of the benthic region and the tubeworms, naiads of burrowing mayflies and rotifers which bury into it.
The heart is enclosed in a membranous sac called the pericardium. It has two layers- the fibrous pericardium which is the outer layer and the serous pericardium that lies inside th
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What would occur to the successive trophic levels in the pyramid of energy if the rate of reproduction of phytoplankton was slowed down? Suggest two factors, which could cause l
A pure phospholipid bilayer with its hydrophobic interior, is permeable to water and gases such as O2, CO2, N2 and small uncharged polar molecules such as urea, ethanol, bu
State the prevention of Campylobacteriosis Prevention: the various ways to prevent campylobacteriosis are: Wash hands before preparing foods. Wash hands immediatel
Procedure for Preparation of Selective and Differential Medium Now prepare the MacConkey agar medium following the steps given herewith: 1. Weigh and dissolve all ingredient
Ecological taxonomy notes
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