RESEARCH BASE

Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 Documents 34 Sections 43,625 Citations 34,852 Keywords Indexed 4 Evidence Tiers

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.

3,436 results for "mtDNA haplogroup B" — page 17 of 172

ZB_1_01 Verified Ecology & Biology

ZB_1_01 — Animal Cognition — Corvids, Cetaceans, Cephalopods, and Non-Human Minds

The study of animal cognition has undergone a revolution over the past three decades, dismantling the long-held assumption that complex thought is uniquely human. The 2012 Cambridge Declaration on Consciousness formally

animal cognition corvids cetaceans cephalopods consciousness tool use
ZB_1_17 Credible Ecology & Biology

ZB_1_17 — Cognitive Ecology and Animal Decision-Making

Cognitive ecology — the study of how animals' cognitive abilities (perception, learning, memory, decision-making) have been shaped by the ecological challenges they face — bridges behavioral ecology, comparative psycholo

cognitive-ecology animal-decision-making optimal-foraging bounded-rationality heuristics brain-size
ZB_1_16 Credible Ecology & Biology

ZB_1_16 — Acoustic Ecology and Bioacoustics

Bioacoustics — the study of sound production, transmission, and reception in animals — and acoustic ecology (the study of organisms' relationships with their sonic environment) have revealed that the natural world is sat

bioacoustics acoustic-ecology soundscape whale-song birdsong echolocation
ZB_1_12 Verified Ecology & Biology

ZB_1_12 — Animal Play Behavior

Play behavior — voluntary, seemingly purposeless activity involving modified versions of functional behaviors — is observed across mammals, many birds, and some reptiles, fish, and invertebrates, yet remains one of the m

animal play play behavior social play locomotor play object play play signals
ZB_1_06 Verified Ecology & Biology

ZB_1_06 — Camouflage, Mimicry, and Biological Deception

Camouflage and mimicry represent some of evolution's most sophisticated solutions to the problems of predation and survival. Animals employ an extraordinary toolkit: background matching, disruptive coloration, countersha

camouflage mimicry crypsis Batesian mimicry Müllerian mimicry aggressive mimicry
ZB_1_03 Verified Ecology & Biology

ZB_1_03 — Animal Navigation and Migration — Magnetism, Stars, and Memory

Animal migration and navigation represent some of the most astonishing feats in biology: monarch butterflies traveling 4,000 km across North America using a time-compensated sun compass; Arctic terns completing 71,000-km

animal navigation migration monarch butterfly Arctic tern magnetoreception cryptochrome
ZB_1_08 Verified Ecology & Biology

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

cephalopod octopus squid cuttlefish intelligence cognition
ZB_1_15 Verified Ecology & Biology

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

infrasound-communication elephant-seismics whale-song low-frequency-biology bioacoustics long-range-communication
ZB_1_10 Verified Ecology & Biology

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

animal communication vocalization birdsong whale song vocal learning language
ZB_1_18 Credible Ecology & Biology

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

infrasound animal-communication elephant-rumbles whale-song seismic-communication low-frequency
ZB_1_05 Verified Ecology & Biology

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

parasitism parasite host manipulation parasitoid zombie behavior Toxoplasma gondii
ZB_1_07 Verified Ecology & Biology

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

echolocation biosonar bat echolocation dolphin echolocation ultrasound sonar
ZB_5_14 Verified Ecology & Biology

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

conservation biology biodiversity endangered species habitat fragmentation minimum viable population extinction vortex
ZB_5_26 Verified Ecology & Biology

ZB_5_26 — Mycorrhizal Networks: The Wood Wide Web and Underground Intelligence

Mycorrhizal networks — underground fungal hyphal systems that connect the roots of multiple plants — represent one of the most significant ecological discoveries of the past three decades. Suzanne Simard (University of B

mycorrhizal networks wood wide web fungal symbiosis common mycorrhizal network ectomycorrhiza arbuscular mycorrhiza
ZB_5_11 Verified Ecology & Biology

ZB_5_11 — Chemical Ecology: The Language of Molecules

Chemical ecology investigates the role of naturally produced chemical compounds — allelochemicals, pheromones, volatile organic compounds (VOCs), and secondary metabolites — in mediating interactions between organisms, e

chemical ecology allelochemical plant defense pheromone volatile organic compound herbivore-plant coevolution
ZB_5_21 Verified Ecology & Biology

ZB_5_21 — Lateral Gene Transfer: Horizontal Exchange and Evolutionary Implications

Lateral gene transfer (LGT), also called horizontal gene transfer (HGT), is the movement of genetic material between organisms by mechanisms other than vertical parent-to-offspring inheritance. First recognized in bacter

lateral gene transfer horizontal gene transfer HGT LGT phylogenetics tree of life
ZB_5_18 Verified Ecology & Biology

ZB_5_18 — Insect Decline Crisis

The global insect decline — sometimes called the "insect apocalypse" in popular media — refers to accumulating evidence that insect populations, biomass, and diversity are decreasing at alarming rates across many regions

insect decline insect apocalypse biomass loss Krefeld study pollinator crisis neonicotinoid
ZB_5_15 Verified Ecology & Biology

ZB_5_15 — Citizen Science in Ecology: Participatory Research and Large-Scale Biodiversity Monitoring

Citizen science — the participation of non-professional volunteers in scientific research — has become an indispensable component of modern ecology, generating datasets of unprecedented spatial and temporal scale that no

citizen science community science participatory research biodiversity monitoring eBird iNaturalist
ZB_5_13 Verified Ecology & Biology

ZB_5_13 — Ecological Economics: Valuing Nature's Services

Ecological economics is a transdisciplinary field that treats the human economy as a subsystem embedded within — and fundamentally dependent upon — the finite biophysical systems of the Earth, challenging the neoclassica

ecological economics ecosystem services natural capital steady-state economy externalities Costanza
ZB_5_09 Verified Ecology & Biology

ZB_5_09 — Phenology: Seasonal Timing in Nature

Phenology — the study of the timing of recurring biological events (leaf-out, flowering, fruiting, autumn senescence, insect emergence, bird migration, amphibian breeding) in relation to seasonal and climatic drivers — h

phenology seasonal timing climate change mismatch first bloom migration timing