Zoology
8 definitions in this category
Ecology (73) Physiology (36) Evolution (30) Biochemistry (30) Cell Biology (25) Biology (23) Genetics (21) Plant Biology (19) Behavior (13) Systems (11) Neuroscience (11) Business Strategy (10) Behavioral Ecology (9) Population Dynamics (8) Finance (8) Molecular Biology (7) Technology (6) Microbiology (6) Mathematics (5) Physics (5) Business Metrics (5) Network Science (5)
Amphibian A cold-blooded vertebrate that typically begins life in water with gills, then metamorphoses into an air-breathing adult... Arthropod An invertebrate animal with an exoskeleton, segmented body, and jointed appendages. Arthropods include insects, spiders,... Cephalopod A class of mollusks including octopuses, squids, cuttlefish, and nautiluses, characterized by bilateral symmetry, a prom... Crustacean A large group of arthropods including crabs, lobsters, shrimp, barnacles, and copepods, typically having a hard exoskele... Invertebrate An animal without a backbone. Invertebrates include insects, spiders, worms, mollusks, and crustaceans—comprising over 9... Mammal A warm-blooded vertebrate characterized by hair or fur, mammary glands that produce milk, and typically live birth. Abou... Reptile A cold-blooded vertebrate with scaly skin that typically lays eggs on land. Includes snakes, lizards, turtles, and croco... Vertebrate An animal with a backbone (spinal column). Vertebrates include fish, amphibians, reptiles, birds, and mammals—about 70,0...