Adductor muscle (Science: anatomy) Any muscle that pulls inward toward the midline of the body. For example, the adductor muscles of the leg serve to pull the legs together. The opposite of adductor is abductor. A muscle that draws a part toward the median line...
A balanced diet is essential to a healthy organism. Insufficiency or too much of a particular element or compound, such ..
Animals living in aquatic habitats have diversified and evolved through time. They eventually occupy ecological niches a..
Human intelligence provided the means to utilize abstract ideas and implement reasoning. This tutorial takes a further l..
Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the elemen..
This lesson is about the methods used for ecological research, such as quadrat and transect sampling, canopy fogging, an..
For human species to obviate extinction, reproductive mature adults should be producing viable offspring in order to con..
