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Snapping turtle
Snapping turtles (or snappers) are large, New World freshwater turtles of the family Chelydridae. Snapping turtles are noted for their powerful beak-like jaws and pugnacious disposition. They have a ... > more -
Vector (biology)
Traditionally in medicine, a vector is an organism that does not cause disease itself but which spreads infection by conveying pathogens from one host to another. Species of mosquito, for example, ... > more -
Cephalopod intelligence
The cephalopod class of mollusks are considered the most intelligent invertebrates and an important example of advanced cognitive evolution amongst animals in general. The coleoidea sub-class of the ... > more -
Coral bleaching
Coral bleaching results when the symbiotic zooxanthellae (single-celled algae) are released from the original host coral organism due to stress. The corals that form the structure of the great reef ... > more -
Introduction to genetics
Genetics is the study of how living things receive common traits from previous generations. These traits are described by the genetic information carried by a molecule called DNA. The instructions ... > more
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