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17 Oct 2024, 09:27
Kudos
Bookmarks
DmitryFarber KarishmaB MartyMurray
Narrowing down to (C) and (D) was easy. (C) and (D) looked equally probable, and i am not sure why my reasoning doesn't hold up for (D). Please help me out!!
Let say: Currently there are 1000 other hosts and millions of tick larvae.
Conclusion: If the population of these species increased, number of ticks acquiring the bacterium would likely decline.
Now: If i say that each host can support a-million larvae, wouldn't it strengthen the argument? Wouldn't it make more likely that Ticks acquiring the bacterium will decline?
But yes, questions remains that how many are 'MANY''. It can be million or can be in single digit.
Narrowing down to (C) and (D) was easy. (C) and (D) looked equally probable, and i am not sure why my reasoning doesn't hold up for (D). Please help me out!!
Let say: Currently there are 1000 other hosts and millions of tick larvae.
Conclusion: If the population of these species increased, number of ticks acquiring the bacterium would likely decline.
Now: If i say that each host can support a-million larvae, wouldn't it strengthen the argument? Wouldn't it make more likely that Ticks acquiring the bacterium will decline?
But yes, questions remains that how many are 'MANY''. It can be million or can be in single digit.
17 Oct 2024, 11:21
Kudos
Bookmarks
Contropositive
Narrowing down to (C) and (D) was easy. (C) and (D) looked equally probable, and i am not sure why my reasoning doesn't hold up for (D). Please help me out!!
Let say: Currently there are 1000 other hosts and millions of tick larvae.
Conclusion: If the population of these species increased, number of ticks acquiring the bacterium would likely decline.
Now: If i say that each host can support a-million larvae, wouldn't it strengthen the argument? Wouldn't it make more likely that Ticks acquiring the bacterium will decline?
But yes, questions remains that how many are 'MANY''. It can be million or can be in single digit.
Let's take a close look at (D).Let say: Currently there are 1000 other hosts and millions of tick larvae.
Conclusion: If the population of these species increased, number of ticks acquiring the bacterium would likely decline.
Now: If i say that each host can support a-million larvae, wouldn't it strengthen the argument? Wouldn't it make more likely that Ticks acquiring the bacterium will decline?
But yes, questions remains that how many are 'MANY''. It can be million or can be in single digit.
(D) A single host animal can be the source of bacteria for many tick larvae.
Notice that (D) is about a host animal being "the source of bacteria" for tick larvae.
The fact that one animal can pass bacteria to "many tick larvae" certainly does not strengthen the case for the conclusion that "the number of ticks acquiring the bacterium would likely decline."
Now, I guess we could take the choice to mean that an animal, whether infected or not, can be the host to many larvae. All the same, even that information does not strengthen the argument since it means that both infected animals and uninfected animals could host many larvae, and it doesn't give us any reason to believe that larvae will not continue to pick up bacteria from infected hosts.
So, we can eliminate (D).
18 Oct 2024, 02:54
Kudos
Bookmarks
Contropositive
DmitryFarber KarishmaB MartyMurray
Narrowing down to (C) and (D) was easy. (C) and (D) looked equally probable, and i am not sure why my reasoning doesn't hold up for (D). Please help me out!!
Let say: Currently there are 1000 other hosts and millions of tick larvae.
Conclusion: If the population of these species increased, number of ticks acquiring the bacterium would likely decline.
Now: If i say that each host can support a-million larvae, wouldn't it strengthen the argument? Wouldn't it make more likely that Ticks acquiring the bacterium will decline?
But yes, questions remains that how many are 'MANY''. It can be million or can be in single digit.
Narrowing down to (C) and (D) was easy. (C) and (D) looked equally probable, and i am not sure why my reasoning doesn't hold up for (D). Please help me out!!
Let say: Currently there are 1000 other hosts and millions of tick larvae.
Conclusion: If the population of these species increased, number of ticks acquiring the bacterium would likely decline.
Now: If i say that each host can support a-million larvae, wouldn't it strengthen the argument? Wouldn't it make more likely that Ticks acquiring the bacterium will decline?
But yes, questions remains that how many are 'MANY''. It can be million or can be in single digit.
Take numbers.
Scenario 1:
Say there are a million hosts (500k infected, 500k not) and a million larvae.
Assuming a larva feeds on 1 host, how many larvae will get infected? 500k. Chance of getting infected = 1/2.
Say the population of uninfected hosts increases to 1.5 million. Now chance of larva getting infected = 1/4.
So only 250k larvae get infected.
Scenario 2:
Say there are a 1000 hosts (500 infected, 500 not) and a million larvae.
So 1000 larvae feed on 1 host. How many larvae will get infected? 500k. Chance of getting infected = 1/2.
Say the population of uninfected hosts increases to 2000. Now chance of larva getting infected = 1/4.
So only 250k larvae get infected.
Whether I have many hosts or few hosts, nothing changes in the decrease in the infection rate.
After all, the increase in population depends on how many hosts we have originally. It will be proportional to that.
