This is a preview. Log in through your library . Abstract We investigated seasonality of gender differences in the patterns of flea infestation in nine rodent species to test if sex-biased parasitism ...

The phenomenon of intraspecific germ cell parasitism may reveal a theoretical puzzle to the concept of Darwinian selection. In natural chimeras of the colonial protochordate Botryllus schlosseri, ...

Many animal species add their eggs to the brood of other species to benefit from the latter’s brood care. This is called brood parasitism. Researchers recently studied brood parasitism in two ...

Today, 150 years after Darwin’s epochal “On the Origin of Species,” many questions about the molecular basis of evolution are still waiting for answers. How are signaling pathways changed by genes and ...

Biologists have demonstrated that 'evolutionary experience' as well as learning protects cichlid fish from the brood parasitism practiced by the African cuckoo catfish. There are other animals besides ...

In the late 19th century, when scientists first discovered the single-celled creature called Nephromyces, they thought it was a parasitic fungus. They were wrong ...

The brown-headed cowbird (Molothrus ater) in North America is an obligate or generalist brood parasite of over 200 songbirds. Numerous studies show reproductive losses for individual host species (e.g ...

This data set concerns the possible effects of brood parasitism on the species composition of a songbird community. Your instructor will give you directions about using this file to make figures ...

One of the most interesting topics discussed in my Ornithology class was about the “con artists” found in nature… Brood parasitism occurs when a female bird (the parasite) lays her eggs in the nest of ...