What Is Ecology and What Are Ecosystems?

Ecology is the study of relationships between organisms and their environment. An organism’s environment can include other organisms. Therefore, ecology is also the study of relationships between organisms and organisms. For example, relationships exist between plants and animals. Plants are a food source to herbivorous and omnivorous animals, while animals help fertilize, propagate, and pollinate … Continue reading What Is Ecology and What Are Ecosystems?

What Is an Organism?

An organism is any living entity. To better understand this, it may be helpful to learn what three domains (types) of organisms exist. The three domains of organisms are Bacteria, Archaea, and Eukarya. Bacteria Salmonella Photo credit: https://www.eehealth.org/blog/2018/07/salmonella-infection/ Bacteria are the least complex type of organisms. They are prokaryotes, meaning they are unicellular (single-celled) organisms. … Continue reading What Is an Organism?