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Introduction to invertebrates of inland waters / James H. Thorp, Walter W. Dimmick, and Alan P. Covich -- An overview of inland aquatic habitats / James H. Thorp and Alan P. Covich -- Protozoa / ...

Researchers have elucidated the evolutionary origins of placodes and neural crests, which are defining features of vertebrates, through lineage tracing and genetic analysis in Ciona intestinalis, a ...

In this outdoor activity, your class will go on a bug hunt and become zoologists. They will come up with their own classification systems to sort common invertebrates into groups. This activity can be ...

There are millions of different types of living things on Earth. In order to keep track of them all, scientists put living things into groups based on characteristics that they have that are the same.