Portal:Biology/Major topics

History	History of biology \| timeline of biology and organic chemistry \| history of ecology \| history of evolutionary thought \| history of geology \| history of model organisms \| history of molecular biology \| history of paleontology
Overview	Biology \| science \| life \| properties (adaptation, energy processing, growth, order, regulation, reproduction, and response to environment) \| hierarchy of life (atom > molecule > organelle > cell > tissue > organ > organ system > organism > population > community > ecosystem > biosphere) \| reductionistic \| emergent property \| mechanistic \| scientific method \| theory \| law \| peer review \| biology journals
Chemical basis	Matter \| elements \| compounds \| atoms \| molecules \| chemical bonds \| carbon \| organic compounds \| macromolecules \| carbohydrate \| protein \| protein structure \| protein folding \| lipid \| DNA \| RNA
Cells	Prokaryote \| eukaryote \| cell wall \| cell membrane \| cytoskeleton \| mitochondrion \| chloroplast \| nucleus \| endoplasmic reticulum \| Golgi apparatus \| cell cycle \| mitosis \| metabolism \| cell signaling \| protein targeting \| metabolism \| enzyme \| glycolysis \| citric acid cycle \| electron transport chain \| oxidative phosphorylation \|photosynthesis \|meiosis \| mitosis
Genetics (Intro)	Classical genetics \| mendelian inheritance \| gene \| phenotype \| genotype \| ploidy \| alternation of generations \| molecular genetics \| gene expression \| gene regulation \| genome \| karyotype \| DNA replication \| transcription \| translation \| recombination \| chromosome \| epigenetics \| splicing \| mutation \| genetic fingerprint \| chromatin \| ecological genetics \| population genetics \| quantitative genetics
Evolution (Intro)	\| omne vivum ex ovo \| Natural selection \| genetic drift \| sexual selection \| speciation \| mutation \| gene flow \| evolution of sex \| biogeography \| cladistics \| species \| extinction \| tree of life \| phylogenies \| three-domain system
Diversity	Bacteria \| archaea \| plants \| angiosperms \| fungi \| protists \| Animals \| deuterostome \| insects \| molluscs \| nematodes \| parasitism \| Primate \| mammal \| vertebrate \| craniata \| chordate \| viruses
Plant form and function	Epidermis \| flower \| ground tissue \| leaf \| phloem \| plant stem \| root \| shoot \| vascular plant \| vascular tissue \| xylem
Animal form and function	Tissues \| fertilization \| embryogenesis \| gastrulation \| neurulation \| organogenesis \| differentiation \| morphogenesis \| metamorphosis \| ontogeny \| Development \| senescence \| reproduction \| oogenesis \| spermatogenesis
Ecology	Ecosystem \| biomass \| food chain \| indicator species \| habitat \| species distribution \| Gaia theory \| metapopulation \| life cycle \| Life history \| altricial - precocial \| sex ratio \| altruism \| cooperation - foraging \| learning \| parental care \| sexual conflict \| territoriality \| biosphere \| climate change \| conservation \| biodiversity \| nature reserve \| edge effect \| allee effect \| corridor \| fragmentation \| pollution \| invasive species \| in situ - ex situ \| seedbank
Research methods	Laboratory techniques \| Genetic engineering \| transformation \| gel electrophoresis \| chromatography \| centrifugation \| cell culture \| DNA sequencing \| DNA microarray \| green fluorescent protein \| vector \| enzyme assay \| protein purification \| Western blot \| Northern blot \| Southern blot \| restriction enzyme \| polymerase chain reaction \| two-hybrid screening \| in vivo - in vitro - in silico \| Field techniques \| Belt transect \| mark and recapture \| species discovery curve
Branches	Anatomy \| biotechnology \| botany \| cell biology \| ecology \| evolutionary biology \| genetics \| marine biology \| microbiology \| molecular biology \| mycology \| neuroscience \| paleontology \| phycology \| physiology \| protistology \| virology \| zoology
Awards	Nobel Prize in Physiology or Medicine
See also	Template:History of biology