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Biology terms
Basic biology terms and their meanings: cell, gene, photosynthesis, evolution and more. Official RepeatMe collection; written and proofread by the editorial team.
What's inside
- Cell
- The basic structural unit of all living organisms
- Photosynthesis
- Formation of organic matter from light, water and carbon dioxide in plants
- DNA
- The molecule that stores hereditary information
- Gene
- A segment of DNA coding for one trait or protein
- Chromosome
- A structure of DNA that carries genes
- Evolution
- The historical change of species over generations
- Ecosystem
- A community of organisms together with their environment
- Bacterium
- A single-celled organism without a true nucleus
- Virus
- A non-cellular form that reproduces only inside a host cell
- Enzyme
- A protein that speeds up chemical reactions in the body
- Mitosis
- Division of a cell into two identical daughter cells
- Chlorophyll
- The green pigment of plants that absorbs light
- Mammal
- An animal that feeds its young with milk
- Vertebrates
- Animals that have a backbone
- Herbivore
- An animal that feeds on plants
- Carnivore
- An animal that feeds on other animals
- Metabolism
- The set of chemical reactions of matter exchange in the body
- Tissue
- A group of similar cells performing a common function
- Organ
- A body part made of tissues that performs a specific function
- Habitat
- The place where an organism normally lives
- Heredity
- The passing of traits from parents to offspring
- Adaptation
- The adjustment of an organism to its environment
- Aerobic respiration
- A cell obtaining energy using oxygen
- Species
- A group of similar organisms that produce fertile offspring