carl akeley experimented with oil and water layers in 1917.
carl akeley experimented with oil and water layers in 1917.
who experimented with oil and water layers in 1917?
carl akeley
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"r. ondatrae"’s mechanism of causing malformations is still unknown, but there seems to be evidence in which areas of the body it infects more. studies show that when frogs or toads are affected with "r. ondatrae" it seems that the most common spot for any deformity is on the hind limbs. but the amount of exposure to "r. ondatrae" cercariae appears to determine where a deformity will occur. for instance, a moderate amount of "r. ondatrae" can affect the forelimbs of amphibians, but a heavy parasite load does not affect the forelimbs and only causes deformities in hind limbs.
ribeiroia ondatrae