Answers for "Calculate This!" activity
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The 1,500,000 Mexican free-tailed bats in the Selman Cave bat colony in Oklahoma eat a huge number of insects during the months they live there. These insects include crop pests, such as Corn Ear Worm moth and the Cucumber Beetle, that cost American farmers over $14,000,000,000 ($14 billion) each year. A Mexican free-tailed bat eats up to 10 grams of insects in a night, so...
- How many grams of insects does the Selman Cave bat colony eat in one night?
- How many pounds of insects is that? 1 gram=.0024 pounds
15000000grams*.0024 lbs=33600lbs of insects a night!
Farm Journal reported on a 2016 research project by Josiah Maines at Southern Illinois University Carbondale, in which bats were shown to save farmers $74 per acre in crop pest control. The average Oklahoma farm is 438 acres and there are over 78,000 farms in the state.
- How much do bats save the average Oklahoma farmer each year?
$74/acre*438 acres= $32,412.00
- How many dollars do bats save farmers across the state of Oklahoma each year?
$32,412.00*78,000 farms= 2,528,136,000 over 2 and a half billion dollars a year!!!
The average annual cost of attending the University of Oklahoma is $10,090
The average Oklahoma farm costs $486,180 to buy.
- What do you think? Is it worth it for the average Oklahoma farmer to protect bats? Include a reason for your answer.