Search Results for: archaea
Eubacteria
Eubacteria are prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single... Read More
Unicellular
Unicellular organisms are organisms consisting of one cell only that performs all vital functions including metabolism,... Read More
Prokaryote
Prokaryote refers to any of the group of living organisms primarily characterized by the lack of a true nucleus and other... Read More
Living things
Living Things Definition A living thing pertains to any organism or a life form that possesses or shows the characteristics... Read More
Cell theory
What Is Cell Theory? Biological cell theory explains the idea of organismal constitution, structure, and function. It... Read More
Thermophile
Thermophiles Definition What are thermophiles? Let us first understand the literal meaning of the word ‘thermophile’.... Read More
Carbon fixation
Carbon Fixation Definition We know that the earth contains many elements. The periodic table shows us just how many... Read More
Classification system
Classification Systems Definition In life, many things are classified, that is, to put into categories or groups based on... Read More
Archaebacteria
Definition noun, singular: archaebacterium Unicellular microorganisms in the domain Archaea, which is genetically distinct... Read More
Archaellum
Definition noun, plural: archaella A whip-like structure of filaments that extends outside the cell of many... Read More
Diazotroph
Definition noun, plural: diazotrophs A microorganism capable of assimilating and fixing atmospheric nitrogen... Read More
Facultative anaerobe
Facultative Anaerobe Definition What does facultative anaerobe mean? Facultative organisms are the most adaptable... Read More
Chemosynthesis
Definition noun, plural: chemosyntheses The production of a more complex chemical compound by combining two or more simpler... Read More
Asexual reproduction
Asexual Reproduction Definition What is asexual reproduction? Asexual reproduction is a type of reproduction that does not... Read More
Hyperthermophile
Definition noun, plural: hyperthermophiles An organism that is adapted to live and thrive at temperature as high as 80°C... Read More
Biodiversity
Biodiversity Lead Author: J. Emmett DuffyThis article has been reviewed and approved by the following Topic Editor: John... Read More
Primary productivity
Planet Earth is home to different types of life forms ranging from microscopic bacteria to giant whales and elephants. To... Read More
Parasitism
Organisms depend on different sources of food to survive. Larger organisms like plants make their own food (autotrophs) and... Read More