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concerning the number of hosts how are parasites classified parasites that need only one host are known as monoxenous parasites parasites that need
what is the difference between ectoparasite and endoparasiteectoparasites are parasites that explore the external surface of the host as for example
what is global warmingglobal warming is the enhance in the temperature of the planet due to accumulation of some gases in the atmosphere especially
what is bioremediationbioremediation is the use of microorganisms as bacteria protists and fungi to degrade noxious substances turning them into non
what is biological controlbiological control is a natural process to control the size of animal microorganism or plant populations biological control
why are transgenics considered a threat to the environmental safety transgenics can be dangerous to the entire biosphere as the transfer of genes
what is transgenic foodtransgenic beings are animals microorganisms and plants that have recombinant dna ie genes from other plants microorganisms or
what is plutonium reprocessing why is it a big environmental issueplutonium is the highly radioactive chemical element produced from uranium by
what is nuclear pollutionnuclear pollution having of radiations emitted from atomic nuclei these radiations is highly injurious to living beings they
what is the role of the ozone layer for living beingsozone o3 is a gas of the atmosphere that filters ultraviolet radiation from the sun disallowing
why does thermal inversion increases air pollution what harm can thermal inversion cause to humansthermal inversion confines at low altitude a layer
does thermal inversion occur in the winter or in the summerpollutant low altitude thermal inversion happens in the winter in this period of the year
is the upward move of warm air good or bad for the dispersion of pollutantsthe upward movement of warm air is a natural method of dispersion of
what are persistent organic pollutants popspops or persistent organic pollutants are toxic substances formed from organic compounds pops are made in
besides mercury which other heavy metals cause toxic pollution examples of other heavy metals that cause toxic pollution are lead cadmium and
what are the environmental harms caused by mercury pollution what are the main sources of mercury pollution mercury is a metal that when present in
what is a biodigestera biodigester is equipment that creates carbon dioxide hydrogen sulfide and fuel gases biogases like methane from organic
what is eutrophicationeutrophication is the process of excessive enhancing of nutrients like phosphate and nitrate in water because of direct deposit
what is the cost-benefit relationship regarding sewage treatment as a method to fight water pollutionto treat sewage is much cheaper for society the
what are the main types of wastethe waste can be classified into main types each of them carrying its own dissimilar environmental problem organic
what are the main characteristics of the age pyramids of developed countries in a stabilized human population the age pyramid has a narrower base as
what are the analyses provided by the study of human age pyramidsthe study of human age pyramids can give the following analyses proportion of
what are age pyramidsage pyramids are graphical representations in form of superposed rectangles every representing the number of individuals
how different is the growth according to the biotic potential of a viral population from the growth according to the biotic potential of a bacterial
what is the relationship among environmental resistance and the population growth according to the biotic potential curve and the real population