Genetically modified rodents are valuable tools in biomedical research, contributing to our basic understanding of biology and gene function, the role of genetic defects in specific diseases, and the ...

ABSTRACT Although sexual interactions between species (reproductive interference) have been reported from a wide range of animal taxa, their potential for determining species coexistence is often ...

DURHAM, N.C. -- The slower their reproductive cycle, the higher the risk of extinction for large grazing animals such as deer and antelope that are hunted by humans. The oft-cited causes of habitat ...

1. In animal-pollinated plants, female function is expected to increase with size because increased pollen production leads to more competition for ovules by pollen grains from the same parent, and a ...