Biology
Articles about living organisms, life processes and biological research.
Gorgonops
Gorgonops — late Permian saber-toothed therapsid predator
Gram staining
Gram-negative
Gram-positive
Gram-positive bacteria: characteristics, classification and significance
Granule (cell biology)
Granulocyte
Granzyme
Granzyme: cytotoxic proteases in immune defense
Green algae
Green fluorescent protein
Green sulfur bacteria
Grey matter
Gribble
Gribble (Limnoriidae): marine wood‑boring isopods and their ecology
Griffith's experiment
Growth factor
Growth factor (biological signaling proteins)
Growth hormone
Growth ring
Growth ring: structure, interpretation, and uses in biology and chronology
Grypania
Gut flora
Gut flora (gut microbiota): composition, functions, and health
Habit (biology)
Habitat
Habitat: Definition, Types, Components, and Ecological Importance
Habituation
Habituation (non-associative learning)
Haemocyanin
Haemocyanin — the copper-based oxygen carrier of many invertebrates
Haemolymph
Haemolymph: the circulatory fluid of arthropods and many molluscs
Hair
Hair: structure, types, functions, and cultural uses
Hair follicle
Hair follicle: structure, function, growth cycle and clinical relevance
A hair follicle is a skin organ that produces hair. This article explains its anatomy, growth cycle, functions, clinical issues, and notable facts about development and regeneratio
Hallux
Halophile
Halophile — organisms adapted to salty environments
Haplodiploidy
Haplodiploidy: biology, occurrence, and evolutionary consequences
Haplogroup
Haplogroup (genetics): maternal and paternal lineage groups
Haploid
Haplorhini
Haplorhini (Dry-nosed Primates): Overview, Classification, and Significance
Healing
Healing: biological processes, types, and clinical importance
Heart valve
Helcionelloida
Helicobacter pylori
Helicobacter pylori: biology, disease, diagnosis and treatment
Hematophagy
Hematopoiesis
Hematopoiesis: formation and function of blood cells
Hemichordata
Hemoglobin
Hemoglobin: Structure, Function, and Clinical Significance
Heredity
Hermaphrodite
Herpetology
Herpetology: the scientific study of reptiles and amphibians
Hershey–Chase experiment
Heterobranchia
Heterobranchia — a diverse clade of snails and slugs
Heterochrony
Heterochrony: changes in developmental timing and their evolutionary effects
Heterokont
Heterokonts (Stramenopiles): diversity, structure and ecological roles