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extropalopakettle
No offense, but....

 Posted: Sun Apr 21, 2013 4:50 pm    Post subject: 1 For all my education, I often find it frustrating to see some of the questions my kids bring home on homework assignments. Most times, if not all, it's because the question is too simplistic, and I'm frustrated by the notion of teachers unthinkingly going by some poorly written instructor's guide (digressing, one example: "How would you calculate the probability of hitting the bulls eye on a dartboard?"). So: Would you characterize a mosquito as a parasite? Predator? Omnivore? They actually feed on nectar and plant juices, the female only consuming blood for protein needed for egg production. I've a hunch most would call it a parasite (because we're most familiar with their blood-sucking behavior), but it seems technically less like a parasite than a vampire bat, which doesn't fit my intuitive sense of parasite.
esme
Daedalian Member

Posted: Sun Apr 21, 2013 5:38 pm    Post subject: 2

 extropalopakettle wrote: "How would you calculate the probability of hitting the bulls eye on a dartboard?"

That is easy. Let someone throw the dart 10 000 times, count the number of hits and divide by 10 000.

 extropalopakettle wrote: So: Would you characterize a mosquito as a parasite? Predator? Omnivore?

You should probably write a letter to whoever is in charge of standardized testing to make clear that this kind of informal characterizations should not have a place in testing.

In any case, mosquitoes are not really parasites because those are usually expected to live in or near the host.
_________________
Mundus vult decipi, ergo decipiatur.
Death Mage
Raving Lunatic

 Posted: Sun Apr 21, 2013 6:04 pm    Post subject: 3 My favorite of the grade school science lies is the water cycle. Yes, yes, we all know that water evaporates, becomes clouds, condenses, becomes rain, freezes to become ice... But they always like to throw in "the amount of water on the planet never changes". Chemistry disagrees._________________* These senseless ramblings brought to you by Insanity™. If you just can't figure the dang thing out, it must be Insanity™. [YOUR AD HERE!]
Chuck
Daedalian Member

 Posted: Sun Apr 21, 2013 6:12 pm    Post subject: 4 Assuming the dart thrower throws the dart in a random direction and is in a perfect sphere in zero gravity with the dart board painted onto the inside of the sphere, the probability is the area of the bull's eye divided by the surface area of the sphere.
raekuul
Lives under a bridge & tells stories.

Posted: Sun Apr 21, 2013 6:17 pm    Post subject: 5

 Death Mage wrote: My favorite of the grade school science lies is the water cycle. Yes, yes, we all know that water evaporates, becomes clouds, condenses, becomes rain, freezes to become ice... But they always like to throw in "the amount of water on the planet never changes". Chemistry disagrees.
Amusingly enough, it's entirely possible that we've lost (like, completely lost) more hydrogen and oxygen in the past 100 years than in the entire rest of the Earth's existence thanks to the Era of Rockets.
Courk
Daedalian Member

 Posted: Sun Apr 21, 2013 6:23 pm    Post subject: 6 Mosquitoes, at least the females, would be omnivores, right? I don't think an omnivore has to kill or completely consume its prey, just like an herbivore doesn't have to kill an apple tree to eat an apple. I would like to point out that parasite and herbivore/omnivore/carnivore make up two separate categories. I don't know the exact names of those categories, but one has more to do with diet, and the other is somewhat more about lifestyle. In other words, a predator can be an omnivore or a carnivore.
arielleGrowler
Icarian Member

 Posted: Sat Jun 01, 2013 7:23 am    Post subject: 7 Informative, indeed.
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