Ichthyology is the branch of zoology devoted to the study of fish, including: bony fish, Osteichthyes; cartilaginous fish, Chondrichthyes; and jawless fish, Agnatha. The discipline can include the ...

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How do you feel about zoos? Some think they are important for education and scientific research; others think they are cruel. Neil and Georgie discuss this and teach you some new vocabulary. Oh, it's ...

The study of the physiology and ecology of animals that don't have backbones, ranging from worms to sea stars, and of parasites, which can often provide insights into complex ecosystems. (Sea star ...