Useful english dictionary. 2012.
jawless fish — noun eel shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms • Syn: ↑jawless vertebrate, ↑agnathan • Hypernyms: ↑aquatic vertebrate • Hyponyms: ↑ostracoderm, ↑ … Useful english dictionary
Vertebrate paleontology — seeks to discover the behavior, reproduction and appearance of extinct spined animals, through the study of their fossilized remains. It also tries to connect, on the evolutionary timeline, the animals of the past and their modern day… … Wikipedia
vertebrate — /verr teuh brit, brayt /, adj. 1. having vertebrae; having a backbone or spinal column. 2. belonging or pertaining to the Vertebrata (or Craniata), a subphylum of chordate animals, comprising those having a brain enclosed in a skull or cranium… … Universalium
aquatic vertebrate — noun animal living wholly or chiefly in or on water • Hypernyms: ↑vertebrate, ↑craniate • Hyponyms: ↑jawless vertebrate, ↑jawless fish, ↑agnathan, ↑placoderm, ↑fish … Useful english dictionary
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
fish — fishless, adj. /fish/, n., pl. (esp. collectively) fish, (esp. referring to two or more kinds or species) fishes, v. n. 1. any of various cold blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with … Universalium
Fish — /fish/, n. Hamilton, 1808 93, U.S. statesman: secretary of state 1869 77. * * * I Any of more than 24,000 species of cold blooded vertebrates found worldwide in fresh and salt water. Living species range from the primitive lampreys and hagfishes… … Universalium
Анаспиды — ? † Анаспиды Pharyngolepis (сверху) и Rhyncholepis (снизу). Крас … Википедия
Immune system — A scanning electron microscope image of a single neutrophil (yellow), engulfing anthrax bacteria (orange). An immune system is a system of biological structures and processes within an organism that protects against disease by identifying and… … Wikipedia
ostracoderm — noun extinct fish like jawless vertebrate having a heavily armored body; of the Paleozoic • Hypernyms: ↑jawless vertebrate, ↑jawless fish, ↑agnathan • Member Holonyms: ↑Ostracodermi, ↑order Ostracodermi … Useful english dictionary
