Terrestrial and aquatic systems. Medical search. Frequent questions

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Anatomy9

Integumentary System Animal Shells Gills Forelimb Mycorrhizae Plant Leaves Plant Roots Extremities Animal Fins

Organisms90

Fishes Aquatic Organisms Bacteria Isopoda Cetacea Trees Gastropoda Invertebrates Amphibians Dinosaurs Snails Reptiles Turtles Potamogetonaceae Plants Hydrocharitaceae Arthropods Nostoc commune Birds Mammals Crustacea Sirenia Birnaviridae Perciformes Insects Lizards Orchidaceae Daphnia Anomura Zooplankton Angiosperms Larva Pinnipedia Seals, Earless Vertebrates Brachyura Alismatidae Chironomidae Carnivora Dolphins Beetles Introduced Species Otters Alligators and Crocodiles Plankton Mollusca Pipidae Urodela Phytoplankton Crenarchaeota Eichhornia Ferns Fungi Araceae Catfishes Lythrum Amphipoda Mycorrhizae Salamandridae Porpoises Cladocera Iguanas Eukaryota Seaweed Cyprinodontiformes Foxes Animals, Wild Diatoms Fur Seals Chlorophyta Blastocladiella Snakes Sea Lions Poaceae Endangered Species Anura Rumex Spiders Helix (Snails)Oligochaeta Whales Salmon Wolves Didelphis Chiroptera Galliformes Nostoc Hominidae Vibrio cholerae Alismataceae

Diseases1

Chemicals and Drugs22

Water Pollutants Water Pollutants, Chemical Soil Water Carbon Humic Substances Nitrogen Carbon Dioxide RNA, Ribosomal, 16S Soil Pollutants, Radioactive DNA, Ribosomal Amber Nitrogen Isotopes Fertilizers Ice DNA, Bacterial Water Pollutants, Radioactive Oxygen Isotopes Mercury Soil Pollutants Nitrogen Compounds Organic Chemicals

Analytical, Diagnostic and Therapeutic Techniques and Equipment9

Body Size Sequence Analysis, DNA Models, Biological Radiometric Dating Hydrotherapy Body Weights and Measures Models, Theoretical Gait Toxicity Tests, Acute

Psychiatry and Psychology8

Predatory Behavior Feeding Behavior Herbivory Cannibalism Animal Migration Carnivory Animal Distribution Behavior, Animal

Phenomena and Processes81

Fresh Water Ecosystem Lakes Rivers Geologic Sediments Seawater Aquatic Organisms Biodiversity Phylogeny Carbon Cycle Atmosphere Food Chain Locomotion Biological Evolution Ponds Meteoroids Soil Earth (Planet)Environment Extinction, Biological Wetlands Water Movements Species Specificity Biomass Evolution, Planetary Oceans and Seas Body Size Nitrogen Cycle Extraterrestrial Environment Geological Phenomena Climate Planets Mars Swimming Biomechanical Phenomena Eutrophication Climatic Processes Tropical Climate Climate Change Seasons Solar System Adaptation, Physiological Larva Minor Planets Floods Hot Springs Plant Development Introduced Species Biota Temperature Rain Adaptation, Biological Moon Plant Physiological Phenomena Acclimatization Plant Dispersal Greenhouse Effect Estuaries Evolution, Molecular Ice Cover Photosynthesis Body Weights and Measures Ice Salinity Carbon Sequestration Islands Gait Global Warming Volcanic Eruptions Animal Distribution Endangered Species Cold Climate Ecological Systems, Closed Genetic Variation Ecological and Environmental Processes Snow Evolution, Chemical Humidity Symbiosis Time Factors Metamorphosis, Biological

Disciplines and Occupations12

Water Microbiology Paleontology Ecology Geology Marine Biology Geography Ecotoxicology Exobiology Soil Microbiology Hydrobiology Phylogeography Hydrology

Anthropology, Education, Sociology and Social Phenomena6

Fossils Paleontology Population Dynamics Swimming Human Activities Diving

Technology, Industry, Agriculture8

Conservation of Natural Resources Aquaculture Space Flight Agriculture Maps as Topic Endangered Species Hydrology Fisheries

Humanities1

History, Ancient

Information Science5

Phylogeny Molecular Sequence Data Video Recording Maps as Topic Satellite Communications

Health Care44

Fresh Water Water Microbiology Ecosystem Lakes Rivers Seawater Environmental Monitoring Biodiversity Atmosphere Food Chain Ponds Soil Environment Wetlands Water Movements Biomass Conservation of Natural Resources Climate Population Dynamics Population Density Tropical Climate Seasons Soil Microbiology Water Quality Introduced Species Biota Temperature Rain Greenhouse Effect Water Pollution Life Support Systems Ice Cover Ice Environmental Pollution Biodegradation, Environmental Islands Water Pollution, Chemical Endangered Species Diving Cold Climate Ecological Systems, Closed Snow Humidity Swimming Pools

Geographicals9

Oceans and Seas Antarctic Regions Atlantic Ocean Arctic Regions Pacific Ocean Islands Brazil North America Argentina

Anatomy Organisms Chemicals and Drugs Analytical, Diagnostic and Therapeutic Techniques and Equipment Psychiatry and Psychology Phenomena and Processes Disciplines and Occupations Anthropology, Education, Sociology and Social Phenomena Technology, Industry, Agriculture Humanities Information Science Health Care Geographicals

Fresh Water Water Pollutants Water Microbiology Ecosystem Water Pollutants, Chemical Lakes Rivers Geologic Sediments Fishes Seawater Aquatic Organisms Environmental Monitoring Bacteria Isopoda Fossils Biodiversity Phylogeny Carbon Cycle Paleontology Atmosphere Food Chain Locomotion Cetacea Biological Evolution Trees Gastropoda Ponds Meteoroids Soil Ecology Earth (Planet)Invertebrates Environment Amphibians Predatory Behavior Extinction, Biological Dinosaurs Wetlands Water Movements Species Specificity Geology Snails Biomass Marine Biology Reptiles Conservation of Natural Resources Evolution, Planetary Turtles Geography Oceans and Seas Body Size Potamogetonaceae Plants Hydrocharitaceae Nitrogen Cycle Water Extraterrestrial Environment Geological Phenomena Carbon Climate Arthropods Population Dynamics Nostoc commune Integumentary System Birds Mammals Planets Mars Crustacea Sirenia Swimming Ecotoxicology Birnaviridae Antarctic Regions Perciformes Insects Biomechanical Phenomena Eutrophication Lizards Exobiology Orchidaceae Population Density Daphnia Anomura Zooplankton Climatic Processes Feeding Behavior Tropical Climate Climate Change Animal Shells Sequence Analysis, DNA Seasons Angiosperms Solar System Adaptation, Physiological Larva Minor Planets Molecular Sequence Data Soil Microbiology Pinnipedia

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