Technical Terms Actinomycosis: A chronic bacterial infection characterised by the formation of abscesses, fibrosis, and draining sinuses primarily due to Actinomyces spp.

There are 49 species of pine tree native to North America. Non-native species have also been introduced to the United Sates, as ornamental trees in landscaping.

Invasive species are non-native species that have been introduced to an ecosystem and have established there causing ecological damage. The study of invasive species involves questions about the ...

There are almost 10,000 species of birds on Earth and they come in all different shapes and sizes — from the tiny bee hummingbird to the massive ostrich. Here are 12 of the biggest birds to ...

Abstract The objective of this study was to establish classification ranges for genetic and additive genetic coefficients of variation, as well as for broad and narrow sense heritability, as a ...