Emetics
agents that cause vomiting. They may act directly on the gastrointestinal tract, bringing about emesis through local irritant effects, or indirectly, through their effects on the chemoreceptor trigger zone in the postremal area near the medulla.
This tutorial looks at the relationship between organisms. It also explores how energy is passed on in the food chain an..
Certain species are capable of expressing characteristics indicative of the state of the ecosystem they occupy. They are..
Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..
The arthropods were assumed to be the first taxon of species to possess jointed limbs and exoskeleton, exhibit more adva..
This lesson looks at population attributes, regulation, and growth. It also covers population genetics, particularly gen..
The nucleus containing the genetic material, DNA, and the mitochondria, well-identified as the "powerhouse of the cell",..