Definition of BIOLOGIST


Biologist is a noun referring to an individual who specializes in the scientific study of living organisms, their structure, function, behavior, evolution, and ecological interactions. Biologists investigate various aspects of life, from the molecular and cellular level to ecosystems and biodiversity, applying principles of biology to understand the complexity and diversity of life on Earth.

Study of Living Organisms: Biologists explore the diversity of life forms, including plants, animals, microorganisms, and fungi, examining their anatomy, physiology, genetics, development, and ecology. They investigate how living organisms interact with their environment, adapt to changing conditions, and contribute to the functioning of ecosystems.

Research and Experimentation: Biologists conduct research and experimentation to address fundamental questions in biology and solve practical problems related to human health, agriculture, conservation, and environmental sustainability. They design experiments, collect and analyze data, and draw conclusions to advance scientific knowledge and inform decision-making.

Specialized Fields and Disciplines: Biologists specialize in various fields and disciplines within biology, such as molecular biology, genetics, ecology, microbiology, botany, zoology, physiology, and evolutionary biology. Each field focuses on specific aspects of life sciences, employing different methodologies, techniques, and approaches to study biological phenomena.

Applications in Medicine and Biotechnology: Biologists contribute to medical research, diagnostics, and treatment development, investigating the molecular mechanisms of diseases, identifying therapeutic targets, and developing new drugs, vaccines, and medical technologies. They also play a key role in biotechnology, genetic engineering, and bioprocessing, applying biological principles to address challenges in agriculture, industry, and environmental remediation.

Conservation and Biodiversity: Biologists study biodiversity, ecosystem dynamics, and conservation biology to understand the factors influencing species extinction, habitat loss, and ecosystem degradation. They develop conservation strategies, restoration plans, and sustainable management practices to protect endangered species, preserve biodiversity, and promote ecosystem resilience.

Education and Outreach: Many biologists are involved in education and outreach activities, teaching biology courses, mentoring students, and engaging with the public to promote scientific literacy, environmental awareness, and appreciation for the natural world. They communicate scientific discoveries, participate in public lectures, and collaborate with educators, policymakers, and community stakeholders to address societal challenges and promote science-based solutions.

As a noun, biologist refers to a scientist who specializes in the study of living organisms and their interactions with the environment. Biologists investigate a wide range of biological phenomena, from the molecular and cellular level to ecosystems and biodiversity, applying principles of biology to advance scientific knowledge, address societal challenges, and promote environmental stewardship and sustainability. They play a crucial role in understanding life’s complexity, diversity, and interconnectedness and in developing solutions to global health, environmental, and conservation issues.

Examples of BIOLOGIST in a sentence

  • The biologist conducted extensive research on the behavior of marine mammals in their natural habitats.
  • As a seasoned biologist, she contributed significantly to the understanding of plant genetics through her groundbreaking experiments.
  • The biologist published a comprehensive paper detailing the ecological impact of climate change on migratory bird populations.
  • In the laboratory, the biologist used advanced techniques to analyze the cellular structures of various organisms.
  • The biologist specialized in entomology, dedicating their career to the study of insects and their roles in ecosystems.
  • As a conservationist and biologist, she worked tirelessly to protect endangered species and their habitats.
  • The university invited a renowned biologist to give a lecture on the latest advancements in synthetic biology.
  • The aspiring biologist eagerly participated in internships to gain hands-on experience in wildlife conservation projects.


The term biologist has its etymological roots in Greek and Latin, reflecting its formation and usage within the realm of science.

  • Greek Roots: The word “biologist” stems from the Greek word “bios,” meaning “life,” and the suffix “-logos,” denoting “study” or “knowledge.” In Greek, “bios” encompasses all living organisms, while “-logos” refers to the study or science of a particular subject.
  • Latin Influence: The suffix “-ist” is derived from Latin, indicating a practitioner or adherent of a particular field or discipline. In Latin, “-ista” is used to form nouns denoting a person who practices or is involved in a specific activity.
  • Scientific Practitioner: In contemporary usage, a biologist is an individual who specializes in the study of living organisms and their interactions with their environment. Biologists may focus on various subfields such as botany, zoology, ecology, microbiology, genetics, or physiology.
  • Professional Identity: The term biologist is used to describe individuals engaged in scientific research, education, conservation, or applied work related to living organisms. Biologists contribute to understanding the complexity of life on Earth and addressing environmental challenges.

From its Greek and Latin origins through its evolution as a professional identity, the term biologist embodies the pursuit of knowledge and understanding of life, reflecting the diverse fields and disciplines within the biological sciences.


  • Life scientist
  • Naturalist
  • Ecologist
  • Geneticist
  • Zoologist
  • Microbiologist
  • Botanist
  • Physiologist


  • Layperson
  • Amateur
  • Novice
  • Non-specialist
  • Outsider
  • Dabbler
  • Generalist
  • Non-expert


  • Biomedical scientist
  • Taxonomist
  • Evolutionary biologist
  • Environmentalist
  • Ecological researcher
  • Cellular biologist
  • Molecular biologist
  • Ornithologist

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