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to compare between the answers the scientist is going to get after

so the scientist is compare before and after

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Q: Why do scientist measure the heart rate of the water fleas before the treatment?
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Treating fleas on a puppie?

You can treat puppies with any topical flea treatment like Advantix. The puppies need to be 7 weeks old before you can use this product on the puppy. To treat a puppy younger than 7 weeks for fleas just apply the treatment to the mother and her close contact with the puppies will rid them of fleas.


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Why does this cat never had fleas at two years old with no treatment?

this female cat has never had fleas and has a litter of three that also has no fleas with no treatment. i have never heard of such. can someone tell me what kind of cats these are, I'm sure that they are rare. A cat must come in contact with a flea order to have them. In dry climates like Nevada most animals never get fleas and no treatment is ever necessary as the fleas can not survive. Your cat has probably never come in contact with them and if it has may be very good at cleaning itself to remove them.


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