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Q9. A hypothetical grassland system contains two species of grass, two species of rodent that eat grass, and one species of snake that feeds on the rodents. Given the following competitive and feeding relationships, which scenario is the most likely?Grass 1 outcompetes grass 2.Rodent 1 outcompetes rodent 2.Both rodents prefer grass 1, but will feed on grass 2 if grass 1 is unavailable.The snake prefers to prey on rodent 1.When the snake is present, rodent 2 is more abundant than rodent 1 and grass 2 is more abundant than grass 1.When the snake is present, rodent 2 is more abundant than rodent 1 and total grass abundance is higher than it is when the snake is absent.When the snake is absent, rodent 1 is more abundant than rodent 2 and total grass abundance is higher than when the snake is present.When the snake is absent, rodent 2 is more abundant than rodent 1 and grass 1 competitively excludes grass 2 completely from the community.
Both endocrine and nervous systems are major regulating system of the body; though, nervous system has been compared to an airmail delivery system and the endocrine system to the pony express. In brief explain this comparison.
Determine the probability of rolling one six sided die and obtaining the following numbers?
Explain why is type O blood considered the universal donor? What would happen if a person who was a type B blood type was transfused with type A blood type and discuss the four main types of proteins found in blood plasma and what are their functions..
Discuss how could you use lichen diversity and abundance to measure air quality? How would you expect lichen diversity to vary with respect to distance from the major metropolitan areas?
Codons with U or C as the second nucleotide, for example, tend to specify hydrophobic amino acids. Can you recommend a possible explanation for this phenomenon in terms of the early evolution of the protein synthesis machinery?
Determine the independent variable in the corn experiment? What was the dependent variable in the corn experiment?
What would be the effect on ATP production of adding a substance like 2,4-dinitrophenol(alprotonophore) that makes the mitochondrial membrane leaky to protons?
Determine which of the following statements describes the function of a chloroplast?
In extracellular recording of Action potential, why is signal that reach the second electrode become reverted. Describe TWO specific cellular processes that require ATP andexplain how ATP is used in eachprocess.
Draw up a clearly labelled and appropriate 2 x 2 table to show these data. How many times more likely was a smoker to develop lung cancer than a non-smoker?
How might you find out whether the turbidity in your nutrient broth tube was from a mixture of different microbes or from the growth of only one kind of microbe.
Ribozymes have various catalytic activities with reactions that follow classical enzyme kinetics other than with low catalytic rate.
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