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.
2,508 results for "CA" — page 79 of 126
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_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_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
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
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
ZB_5_03 — Microbiome Ecology
The microbiome — the collective genomes of the trillions of microorganisms (bacteria, archaea, fungi, viruses) inhabiting a host organism or environment — has emerged as one of the most transformative research areas in 2
ZB_5_17 — Constructal Law & Flow Architecture: Why Nature Branches the Way It Does
Most fractal descriptions of nature are descriptive: they observe that rivers branch like blood vessels, blood vessels branch like trees, trees branch like lightning bolts, and lightning bolts branch like river deltas. A
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_5_27 — Human Microbiome: Gut-Brain Axis and Microbial Ecology
The human body hosts approximately 38 trillion microbial cells — roughly equal to the number of human cells — comprising ~3,000 species of bacteria, archaea, fungi, and viruses, collectively termed the microbiome. The Hu
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_01 — Biogeography and Island Biology
Biogeography — the study of the geographic distribution of organisms — was one of Darwin's and Wallace's most powerful lines of evidence for evolution and remains central to modern biology. Alfred Russel Wallace identifi
ZB_4_03 — Desert Biology and Xerophytes
Deserts — regions receiving <250 mm of annual precipitation — cover ~33% of Earth's land surface and harbor organisms with some of the most remarkable adaptations in biology. Desert organisms face extreme challenges: wat
ZB_3_21 — Soil Microbiome
The soil microbiome encompasses the entire community of microorganisms inhabiting soil — bacteria, archaea, fungi, protists, and viruses — constituting the most biodiverse ecosystem on Earth. [KEY FINDING] A single gram
ZB_3_23 — Coral Reef Ecosystem Dynamics
Coral reefs are among Earth's most biodiverse and economically valuable ecosystems, occupying less than 0.1% of the ocean floor yet supporting approximately 25% of all marine species (~830,000 species). Built over millen
ZB_3_06 — Fire Ecology
Fire ecology studies fire as a natural ecological process — a fundamental disturbance agent that shapes vegetation structure, species composition, nutrient cycling, and landscape patterns across much of Earth's terrestri
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_18 — Mycorrhizal Networks and Forest Ecology
Mycorrhizal networks — underground fungal networks connecting the roots of multiple plants — are among the most ecologically important symbioses on Earth, associating with ~90% of land plant species and mediating nutrien
ZB_3_16 — Lichen Biology: Symbiosis, Ecology, and Extremophile Survival
Lichens are stable symbiotic associations between a fungal partner (mycobiont, typically an ascomycete) and one or more photosynthetic partners (photobiont — green algae, usually Trebouxia, and/or cyanobacteria, usually
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
ZB_3_05 — Seed Banks Dormancy and Germination
Seed dormancy — the inability of a viable seed to germinate under otherwise favorable conditions — is a critical survival strategy allowing plants to persist through unfavorable periods and disperse germination across ti
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