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- DictionaryBi·ol·o·gy/bīˈäləjē/
noun
- 1. the study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behavior, origin, and distribution.
May 21, 2024 · Allele (biology definition): variant of a gene controlling the same trait and occupying a specific region on a chromosome (called the locus). Etymology: from Greek ἄλλος (állos), meaning “other”. Synonyms: allelomorph. Allele Examples. Below are examples of alleles and how they are expressed.
3 days ago · Biology is the science of life. It spans multiple levels from biomolecules and cells to organisms and populations. Biology is the scientific study of life. [1] [2] [3] It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field.
May 5, 2024 · A biome is a geographical region characterized by specific climate conditions, vegetation, and animal life. Each biome consists of multiple ecosystems and habitats. The main factors that define a biome include temperature, precipitation, humidity, altitude, and soil type, all shaping the environment and determining the organisms that thrive there.
4 days ago · cell. biology. Also known as: cell system. Written by. Merton R. Bernfield. Clement A. Smith Professor of Pediatrics; Director, Joint Program in Neonatology, Harvard University. Merton R. Bernfield, Bruce M. Alberts. Professor of Biochemistry and Biophysics, University of California, San Francisco.
- What is a cell?A cell is a mass of cytoplasm that is bound externally by a cell membrane. Usually microscopic in size, cells are the smallest structural units of...
- What is cell theory?Cell theory states that the cell is the fundamental structural and functional unit of living matter. In 1839 German physiologist Theodor Schwann an...
- What do cell membranes do?The cell membrane surrounds every living cell and delimits the cell from the surrounding environment. It serves as a barrier to keep the contents o...
May 14, 2024 · Plant Definition. A plant refers to any of the eukaryotic organisms of the biological kingdom Plantae, characterized by being photosynthetic and having a rigid cell wall. These organisms are crucial for oxygen production and food webs. Etymology: The word “plant” originates from the Latin “planta,” meaning “sprout” or “shoot”.
6 days ago · The meaning of LIFE SCIENCE is a branch of science (such as biology, medicine, and sometimes anthropology or sociology) that deals with living organisms and life processes —usually used in plural.
May 21, 2024 · Biology definition: Cohesion is the act, state, or process of sticking together of alike molecules or entities. An example is water molecules. The tendency of water molecules to stick together is referred to as cohesion and they are held together by a cohesive force such as an intermolecular hydrogen bond.
