Equivalent focal length
(Science: microscopy) The focal length of the simple lens that has the same power as the compound lens. The stated focal lengths of microscope objectives are the equivalent focal length since their front and back focal lengths are very different.
Muscle cells are specialized to generate force and movement. Learn about the different types of muscle tissues in this t..
Gregor Mendel, an Austrian monk, is most famous in this field for his study of the phenotype of pea plants, including ..
Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..
Animals living in aquatic habitats have diversified and evolved through time. They eventually occupy ecological niches a..
The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..
Learn about community patterns and the ecological factors influencing these patterns. Revisit some of the ecosystems you..