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Biology Dictionary
COVID-19 Tracker
Topics
Biology A-Z
Cell
Biochemistry
Human
Genetics
Zoology
Botany
Ecology
Anatomy & Physiology
Molecular
Microbiology
Neuroscience
Articles
Animal Kingdom
Tutorials
AP Biology
NGSS High School
News & Stories
Latest News
Editors’ Picks
Weekly Digest
Fun
Quotes about Biology
Popular Topics
Abiotic Factors in the Savanna
June 5, 2017
Actin and Myosin
February 7, 2021
Advantages of Bipedalism
September 7, 2017
Anabolism vs. Catabolism
March 24, 2021
Angiosperm vs. Gymnosperm
April 2, 2018
Animal Circulatory System
April 24, 2019
Animal-like, Fungus-like, and Plant-like Protists
March 1, 2021
Antigen vs. Antibody
January 12, 2021
Artery vs. Vein
January 19, 2021
Binomial Nomenclature Rules
June 25, 2017
Biogeography Examples
July 6, 2017
Biotic and Abiotic Factors
June 4, 2017
Biotic Factors in the Ocean
July 30, 2017
Biotic Factors of the Tropical Rainforest
July 6, 2017
Biotic Limiting Factors
September 17, 2018
Bipedal Animals
July 30, 2017
Bipedal Locomotion
September 7, 2017
Blood Type Heredity
April 2, 2018
Bone Cells
May 11, 2021
Bottleneck and Founder Effect
January 24, 2018
C3, C4 and CAM Plants
September 7, 2017
Carbon Cycle Reservoirs
September 25, 2017
Catabolic Reaction
March 23, 2021
Cell Parts and Functions
March 31, 2021
Cell Structure
April 1, 2021
Cell Theory Founder and Contributors
September 25, 2017
Cell Theory Timeline
September 25, 2017
Cellular Respiration and Photosynthesis
August 15, 2018
Characteristics of Gymnosperms
April 2, 2018
Chemoautotrophic Bacteria
September 25, 2017
Chemoheterotrophic Bacteria
September 25, 2017
Circulatory System Fun Facts
April 19, 2019
Coenocytic Hyphae
April 22, 2018
Commensalism, Mutualism and Parasitism
September 17, 2018
Common Questions about Genetic Variation
March 26, 2018
Compact Bone Structure
November 5, 2017
Compare and Contrast Binary Fission and Conjugation
June 25, 2017
Condensation Reaction
November 5, 2017
Deciduous Forest Facts
November 5, 2017
Deciduous Forest Food Web
November 5, 2017
Deciduous Forest Soil Type
November 5, 2017
Deciduous Forest Temperature and Precipitation
November 5, 2017
Decomposers in the Ocean
November 5, 2017
Density Dependent and Independent Limiting Factors
September 17, 2018
Desert Biotic Factors
July 30, 2017
Difference between Allopatric and Sympatric Speciation
June 6, 2017
Difference Between Binary Fission and Mitosis
June 14, 2017
Difference Between Biogenesis and Abiogenesis
May 27, 2017
Difference between Convergent and Divergent Evolution
November 5, 2017
Difference between Detritivores and Decomposers
November 5, 2017
Difference between Mutualism and Commensalism
September 25, 2017
Difference between Spongy Bone and Compact Bone
November 5, 2017
Difference between Static and Dynamic Equilibrium
November 5, 2017
Digestive System Fun Facts
April 24, 2019
Dimorphic Fungi
January 24, 2018
Directional Selection, Stabilizing Directional and Disruptive Selection
November 5, 2017
DNA Structure
January 9, 2021
DNA vs. RNA
January 9, 2021
Do Echinoderms Have a Brain
January 23, 2018
Do Gymnosperms Have Flowers or Pollen
April 2, 2018
Ecological Succession Activity and Process
January 23, 2018
Electron Transport Chain and Oxidative Phosphorylation
August 21, 2018
Endocrine System Fun Facts
April 24, 2019
Endophytic Fungi
January 24, 2018
Evidence for Abiogenesis
June 4, 2017
Examples of Carbohydrates
January 12, 2021
Fecundity Rate
January 23, 2018
Fish Dichotomous Key
November 5, 2017
Fundamental vs. Realized Niche
January 24, 2018
Fungi vs. Plants
January 24, 2018
Gastrulation in Frog Embryo, Chick Embryo and Sea Urchin
March 26, 2018
Genetic Drift vs. Gene Flow vs. Natural Selection
March 26, 2018
Genotype vs. Phenotype
March 26, 2018
Genotypic Ratio
March 26, 2018
Glycolysis Steps
January 28, 2021
Gram-Positive vs. Gram-Negative
January 19, 2021
Herbaceous Plants Examples
April 2, 2018
How Are Oceans Involved in the Carbon Cycle
September 25, 2017
How Climate Change Affects the Biodiversity of Marine Ecosystems
September 17, 2018
How Do Cells Maintain Homeostasis
April 15, 2018
How Do Echinoderms Eat
January 23, 2018
How Do the Kidneys Maintain Homeostasis
April 15, 2018
How Does Cell Division Solve the Problem of Increasing Size
September 25, 2017
How Does the Biogeography of Fossils Support Evolutionary Theory
July 6, 2017
How Does the Circulatory System Maintain Homeostasis
April 15, 2018
How Does the Digestive System Maintain Homeostasis
April 15, 2018
How Does the Endocrine System Maintain Homeostasis
April 15, 2018
How Does the Excretory System Maintain Homeostasis
April 21, 2018
How Does the Muscular System Maintain Homeostasis
April 21, 2018
How Does the Nervous System Maintain Homeostasis
April 15, 2018
How Does the Respiratory System Maintain Homeostasis
April 15, 2018
How Does the Skeletal System Maintain Homeostasis
April 21, 2018
How is a Cam Plant Suited to Its Environment?
September 7, 2017
How to Use a Dichotomous Key
November 5, 2017
Hyphae vs. Mycelium
April 22, 2018
Importance and Roles of Decomposers
November 5, 2017
Intertidal Zone Facts
May 6, 2018
Intracellular Fluid vs. Extracellular Fluid
May 6, 2018
Ionic Bond Examples
January 21, 2021
Isotonic IV Solutions
September 17, 2018
Isotonic vs. Hypotonic vs. Hypertonic Solution
April 22, 2018
Lateral Meristem
September 17, 2018
Law of Segregation vs. Law of Independent Assortment
September 17, 2018
Marine Ecosystem Facts
September 17, 2018
Mendel’s Laws of Heredity
April 2, 2018
Mitosis vs. Meiosis
January 17, 2021
Monocot Root, Leaf, Flower and Plants
September 17, 2018
Monocot vs. Dicot
September 17, 2018
Multicellular Fungi
January 24, 2018
Mycorrhizal Fungi
January 24, 2018
Natural Science
January 20, 2021
Nervous System Fun Facts
April 24, 2019
Neutrophils Function
January 28, 2021
Nucleic Acid Elements and Monomer
April 16, 2019
Nucleic Acid Types and Structure
September 7, 2017
Open vs. Closed Circulatory System
April 24, 2019
Oxygen and Carbon Dioxide Cycle
September 7, 2017
Pathogenic Fungus
January 24, 2018
Plant vs. Animal Cells
April 5, 2021
Positive and Negative Feedback Homeostasis
April 15, 2018
Producers and Decomposers of Freshwater
November 5, 2017
Prokaryotes vs. Eukaryotes
January 22, 2021
Protein Structure
January 9, 2021
Proteins and Nucleic Acids
April 16, 2019
Purpose of Cell Division
September 25, 2017
Purpose of the Biogeochemical Cycles
June 25, 2017
Radial vs. Bilateral Symmetry
March 2, 2021
Respiratory System Fun Facts
April 24, 2019
Septate vs. Non-Septate Hyphae
May 6, 2018
Serum vs. Plasma
January 31, 2021
Sperm Motility
September 17, 2018
Sympathetic vs. Parasympathetic Nervous System
February 20, 2021
T Cell Immunity
May 26, 2021
The Importance of Decomposers to the Overall Biogeochemical Cycle
June 25, 2017
The Path of Nitrogen through its Biogeochemical Cycle
June 25, 2017
Three Parts of Cell Theory
April 13, 2019
Tundra Biotic Factors
July 30, 2017
Tundra Energy Pyramid
January 23, 2018
Types and Stages of Cell Signaling
April 13, 2019
Types of Cells
May 6, 2021
Types of Ecological Niches
January 23, 2018
What Determines the Carrying Capacity of an Ecosystem
September 25, 2017
What Do Biogeochemical Cycles Connect?
June 25, 2017
What Does Allopatric Speciation Require
June 6, 2017
What Happens to a Cell in a Hypertonic Solution
April 22, 2018
What Happens to a Cell in a Hypotonic Solution
May 6, 2018
What Happens to a Cell in an Isotonic Solution
September 17, 2018
What is Food Irradiation
May 6, 2018
What Is Gamma Irradiation
May 6, 2018
What is Irradiated Blood
May 6, 2018
What is Solar Irradiance
May 6, 2018
What Role Do Centrioles Play in Cell Division
September 25, 2017
What Role Do Producers Play in the Carbon Cycle
September 25, 2017
Where Do Echinoderms Live
January 23, 2018
Which Organism Would Be Classified As An Echinoderm
January 23, 2018
Who Came Up With Binomial Nomenclature?
June 25, 2017
Why Are Ecological Pyramids Shaped As Pyramids
January 23, 2018
Why Is Homeostasis Important
April 15, 2018
