RESEARCH BASE
Search 3,721 documents across 34 fields — every claim tier-rated by evidence
3,633 are the core, quality-scored corpus (34 lettered sections — see How We Work); the remaining 88 are cross-corpus synthesis documents (68 InterDocs, 12 Connections, 8 Theories) also indexed here.
3,279 results for "ion channel" — page 21 of 164
ZB_1_08 — Cephalopod Intelligence and Cognition
Cephalopods — octopuses, squid, cuttlefish, and nautiluses — represent the pinnacle of invertebrate cognitive evolution, having independently evolved complex brains and sophisticated behaviors along a lineage that diverg
ZB_1_15 — Infrasound Communication in Wildlife
Infrasound (frequencies below 20 Hz) and low-frequency communication (<100 Hz) are used by elephants, whales, okapi, cassowaries, alligators, and other species for long-range signaling across distances exceeding 10 km. K
ZB_1_10 — Sound Communication and Animal Vocalization
Sound communication is one of the most versatile and widespread signaling modalities in the animal kingdom, spanning frequencies from infrasound (elephants: ~14 Hz, traveling kilometers through air and ground) to ultraso
ZB_1_18 — Infrasound Communication in Animals: Elephants, Whales & Seismic Signaling
Infrasound — acoustic frequencies below the typical lower limit of human hearing (~20 Hz) — serves as a long-range communication channel for some of Earth's largest animals, enabling coordination over distances of kilome
ZB_1_05 — Parasitism and Host Manipulation: Dark Arts of Evolution
Parasitism — where one organism benefits at the expense of another — is the most common lifestyle on Earth, with parasites outnumbering free-living species in most ecosystems. Among the most remarkable phenomena in biolo
ZB_1_07 — Echolocation: Biological Sonar in Bats, Dolphins, and Beyond
Echolocation — the ability to perceive the environment by emitting sounds and analyzing returning echoes — has evolved independently in bats, toothed whales (dolphins, porpoises, sperm whales), some birds (oilbirds, swif
ZB_5_14 — Conservation Biology
Conservation biology — the scientific study of biodiversity loss and the methods to protect species, habitats, and ecosystems — was formally established as a discipline by Michael Soulé (University of California, San Die
ZB_5_25 — Animal Migration: Navigation, Endurance, and Ecological Connectivity
Animal migration — the seasonal, round-trip movement of populations between distinct habitats — represents some of the most extraordinary feats of endurance, navigation, and sensory capability in biology. Arctic terns (S
ZB_5_16 — Ecosystem Services Quantification
Ecosystem services quantification attempts to assign monetary or biophysical values to the benefits that natural systems provide to humanity — including pollination, water purification, carbon sequestration, flood regula
ZB_5_08 — Seed Ecology: Dispersal, Dormancy, and Germination
Seed ecology encompasses the study of how seeds are produced, dispersed, stored, and germinated — processes that fundamentally shape plant population dynamics, community composition, vegetation patterns, and ecosystem st
ZB_5_05 — Extinction Biology and De-Extinction
Extinction — the complete disappearance of a species — is a permanent event that has shaped life's history as profoundly as origination. Background extinction (the normal, continuous loss of species) proceeds at ~0.1–1 s
ZB_5_06 — Mass Extinction Ecology: Catastrophe, Recovery, and Evolutionary Reset
Mass extinctions — episodes in which >75% of species disappear within a geologically brief interval — have profoundly shaped the history of life on Earth, acting as ecological and evolutionary resets that eliminate domin
ZB_5_04 — Epigenetics in Ecology and Evolution
Epigenetics — heritable changes in gene expression that do not involve changes to the DNA sequence — has transformed understanding of how organisms respond to environmental conditions, develop, and potentially transmit a
ZB_4_04 — Flight Evolution
Powered flight has evolved independently at least four times in the history of life — in insects (~350 Ma), pterosaurs (~230 Ma), birds (~150 Ma), and bats (~55 Ma) — making it one of evolution's most spectacular converg
ZB_4_11 — Island Ecology: Biogeography, Endemism, and Evolutionary Radiation
Island ecology — centered on the theory of island biogeography developed by Robert MacArthur and Edward O. Wilson (1963, 1967) — provides one of ecology's most influential theoretical frameworks, explaining how species d
ZB_4_08 — Rewilding and Ecological Restoration
Rewilding is an emerging approach to conservation that aims to restore self-sustaining, self-regulating ecosystems by reintroducing missing species — particularly large vertebrates and ecological engineers — and allowing
ZB_4_15 — Urban Wildlife Genomics: Rapid Evolution in the Anthropocene City
Cities — covering only ~3% of Earth's land surface but housing >55% of humanity — are emerging as powerful natural laboratories for studying rapid evolution in real time. Urban wildlife genomics investigates how the extr
ZB_3_04 — Ecological Succession
Ecological succession — the process of community change over time following a disturbance or the creation of new habitat — is one of ecology's oldest and most studied concepts. Primary succession occurs on newly exposed
ZB_3_09 — Mutualism and Cooperation in Nature
Mutualism — an interspecific interaction in which both partners benefit — is one of the most important ecological relationships on Earth, underpinning ecosystem function from coral reefs to forests to the human gut. The
ZB_3_25 — Invasive Species and Ecosystem Disruption
Biological invasions — the introduction and establishment of species outside their native range through human activity — are recognized as one of the top five drivers of global biodiversity loss alongside habitat destruc
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