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Definition
| Waxy outer covering on a leaf that helps retain moisture |
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Definition
| Living in an environment on land (vs.aquatic) |
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Definition
| Segmented and many-legged terrestrial anthropod |
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Definition
| Technical name for the lobe-fin fishes, named for the fleshy muscular lobe at the base of their paired fins |
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Definition
| Technical name for the ray-finned fishes, named for their paired fin structure which includes fine "rays" that extend out to the edges of the fins |
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Definition
| Paired fins behind the head of fishes, homologous to the front limbs of tetrapods |
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Definition
| Paired fins towards the tail in fishe, homologous to the hind limbs of tetrapods |
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Definition
| Vertebrates with limbs (literally means "four-footed") |
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Definition
| The main bones forming the front limb in tetrapods |
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Definition
| The main bones forming the hind limb in tetrapods |
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Definition
| "Fishapod"-transitional form between the more fish-like lobe-fins and tetrapods, discovered in the Devonian of the Canadian Arctic |
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| Ichthyostega, Acanthostega |
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Definition
| Devonian tetrapods from Greenland |
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Definition
| A living species that is little-changes from its ancient fossil relatives |
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| Scientififc name for the living coelacanth |
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Definition
| Division between the front and back portions of the skull found in many lobe-fin fishes including coelacanths |
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Definition
| Those that share a common evolutionary history |
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Definition
| Those that have a similar appearence due to being used for a similar function, but do bot share a close evolutionary history |
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| Refers to the warm, wet, extensive swampy environments typical of the Carboniferous Period |
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Definition
| An egg with a hard outer covering and a carefully maintained internal environment |
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Definition
| An organism that eats insects and other terrestrial anthropods |
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Term
| End-Permian Mass Extinction |
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Definition
| Major extinction event at end of Permian Period, 250Ma |
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Definition
| Skull type characterized by a single opening in the skull behind the eye |
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Definition
| Skull type characterized by two openings in the skull behind the eye |
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Definition
| Diapsids with an additional opening-the antorbital fenestra-in front of the eye |
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Definition
| A branch of amniotes with synapsid skulls, on the lineage leading to mammals |
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Definition
| Dinosaur hip structure with the pubis bone pointing down and forwards, found in theropods |
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Definition
| Dinosaur hip structure with the pubiss bone lying along the back of the hip and pointing back towards the taill, found in the horned, armored, plate-backed, and duck-billed dinosaurs |
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Definition
| Refers to the specific ecological role of an organism, based on its lifestyle and the type of food it eats; for example the "terrestrial insectivore" |
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A dense grouping of young birds that cluster together for protection
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| The earliest fossil bird, known from Jurassic (150Ma) specimens from southern Germany, and showing a mix of reptilian and avian (bird) features |
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Definition
| A toe that has moved around to the back of the foot, to more effectively grasp onto a branch while perching |
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Definition
| A small bone in the wrist that allows complex swiveling motions around the wrist joint |
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| Refers to relatively small, lightly built, bird-like theropod dinosaurs |
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| Refers to broad, short wings, suitable for complex maneuvering, but not adapted for long, sustained soaring flights |
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Definition
| Refers to long, narrow, tapering wings, suitable for long soaring flights, but not for complex maneuvers |
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