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1. To understand how energy could be flowing in this aquatic ecosystem, list the different autotrophic and heterotrophic organisms found at each pond, and explain its role in energy flow through the system.
2. Discuss how would the pH and dissolved oxygen change over the course of a day (morning, noon, and night)? Over the course of a year? What is driving these changes?
3. Levels of organic wastes from manmade sources such as food-processing plants, run-off from the lawn, and wastewater treatment bring a lot of organic material to the aquatic ecosystems favoring the oxidation of organic compounds. What would happen to the dissolved oxygen and pH in the ponds or lakes if a large amount of wastewater is added to these systems?
4. What ecosystem goods and services does each of the ponds you sampled today provide FIU as an institution? Do any of them benefit you personally? Name one other Florida ecosystem and describe 2 goods or services it provides the south Florida population.
Hydrolytic driving force. The hydrolysis of pyrophosphate to orthophosphate is important in driving forwards biosynthetic reactions such as the synthesis of DNA.
If these three genes were all assorting independently, how many genotypic and phenotypic classes would result in the offspring, and in what proportion, suppose simple dominance and recessiveness in each gene pair?
If one assumes that Hardy-Weinberg equilibrium applies to population of colonists on this planet, about how many people will have attached ear lobes at what time the planet's population reaches 10,000.
Cut wings is an X chromosome recessive mutant of D melanogaster. Antennaless is an autosomal recessive mutant. A cut, antennaless female is mated to a wild-type male.
As a pea plant grows, its root cells divide by mitosis. If the diploid chromosome number of the plant is fourteen, how various chromosomes will each newly formed root cell have.
Use a chi-square test, test whether these two loci show independent assortment? How would you describe the frequency of the progeny genotypes?
Determine the proportion of the lung cancers attributable to smoking among: smokers and the whole population.
Calculations must be made assuming that the minimum significant number has four significant digits. If all of phosphorus in a 3.00 gram sample of MgNH4PO4 is extracted and used to make a diphosphorus pentaoxide, what mass of P2O5 could be produced.
A sunflower population in Hardy-Weinberg equilibrium has the given allele frequencies for petal color: 0.75 dominant, 0.25 recessive.
Phenylketonuria is an autosomal recessive genetic disorder. The frequency of homozygotes with this disorder is 0.0001. Determine the allele frequency for the dominant allele?
What is the dissimilarity between vag and vrg genes? How are BvgS and BvgA involved in regulation of virulence genes? What is a phase variation in B. pertussis and what causes it.
Assume that the rate of sea-floor spreading was constant during the 1-million-year period depicted above, what have to be the approximate age of marine fossils found in undisturbed sedimentary rock instantly overlying the igneous rock at the arrow la..
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