Overview of Protists

Welcome to our continuing AP Biology/ General Biology series here on STEM Talks! The purpose of this post is to give you an overview of Protists. All protists were once classified into a single kingdom, but scientists found protists to be polyphyletic: some protists are more closely related to plants, fungi, or animals than they [...]

The Evolution of Populations

Welcome to our continuing AP Biology/ General Biology series here on STEM Talks! The purpose of this post is to talk about population evolution Each organism's traits affect its survival and reproductive success compared with those of other individuals. But the evolutionary impact of natural selection is only apparent in how a population of organisms [...]

Carbohydrates: the fuel and building material of organisms

Hey all! This blog post is a part of STEMTalksNC’s ever expanding General Biology Series. In the last post, we talked about how macromolecules were built. In this post, we will examine the structure and function of carbohydrates. Monosaccharides Carbohydrates include sugars and polymers of sugar. Monosaccharides, the simplest carbohydrates, generally have molecular formulas that [...]