
The branches of biology are plentiful. Biology works with time, disease, ecosystems and even extraterrestrials.
It also works in different scales. From individual atoms to the entire biosphere, biology is also a broad topic.
We divide the branches of biology into the following fields:
- BIOLOGY: How life and living organisms are structured, distributed, originated, evolved and functions.
- CHRONOLOGY: How biology originated, evolves and will adapt as a function of time.
- ECOSYSTEM: How living organisms interact with the physical environment.
- BOTANY: How plants are classified, grow and are managed in nature.
- PATHOLOGY: How disease spread and interact with living organisms.
- ASTROBIOLOGY: How life in the universe originated, evolved and its ultimate fate.
PATHOLOGY
Pathology is a whole field dedicated to disease. For example, phytopathology examines how disease spread and are managed for plants. In contrast, the focus of zoopathology is on animal disease spread and prevention.
On a large scale, epidemiology looks into how disease and determinants of health are transferred and distributed in populations. For example, an epidemiologist models a disease outbreak and prevents its spread.
Often, toxicology deals with how individual organisms are affected, treated and diagnosed by poisonous substances. It’s common to test in a laboratory the various substances and materials.
PATHOLOGY
CHRONOLOGY
Some fields of biology work with time. For example, ‘paleo’ relates to the past. Over a geologic time scale, biology studies plants (paleobotany), animals (paleozoology) and general organisms (paleoecology).
Evolution biology is one of the most popular branches of biology. It focuses on how life originated, evolved and will transform in the future. For example, primatology makes the connection between primates and humans.
Anthropology is different from paleontology because of their main focus. While anthropologists study how humans and societies behave, paleontologists is primarily concerned with animal and plant fossils.
CHRONOLOGY
ECOSYSTEM
The ecosystem works together as a collection of different parts. These interactions between the physical environment and living organisms is ecology.
Living organisms can be broken up further into insects (entomology), birds (ornithology) and mammals (mammalogy). And phytogeography and zoogeography best understand how plants and animals are distributed in geographic space.
Phenology involves meteorology to understand botany. More specifically, it inspects seasons and cyclical climate patterns influence plant and animal species.
ECOSYSTEM
BOTANY
The main focus of botany is plant science. Botany looks at how plants are classified and how they grow in nature. Botany is synonymous with plant science or phytology.
Forestry is specific to how trees are managed, planted, conserved and cut down. Alternatively, dendrology narrows down how trees are managed, planted, conserved and cut down.
Meanwhile, arboriculture studies how individual trees, shrubs, vines, and other woody plants respond to cultural practices in the environment.
BOTANY
ASTROBIOLOGY
The main focus of astrobiology how life in the universe originated. Instead of life on Earth, astrobiology considers extraterrestrial life forms and the ultimate fate of the universe.
If you want to pinpoint the possibility of life in space, exobiology estimates how likely life exists on other planets. If there are extraterrestrials, it also considers how to detect them.
Lastly, astrochemistry involves studying substances outside of Earth. For example, what is the chemical makeup of celestial bodies, stars and interstellar space and how it relates to life in the universe.
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