The fundamental structures underlying learning and memory in the brains of invertebrates as different as a fruit fly and an earthworm are remarkably similar, according to neuroscientists. It turns out ...

A brief history and some fundamentals / Craig M. Young -- Phylum Porifera / Manuel Maldonado and Patricia R. Bergquist -- Phylum Cnidaria / Vicki J. Martin and Ron Koss -- Phylum Ctenophora / Mark Q.

Classification, systematics, and phylogeny -- Animal architecture and the bauplan concept -- Animal development, life histories, and origins -- The protists -- Phylum Porifera : the sponges -- Four ...

At the end of the semester in the advanced invertebrate zoology course I took, my rather dry, boring professor made the only joke I remember him ever uttering. We had just finished the phylum ...

This is a preview. Log in through your library . Abstract In order for photoperiodic phenomena to be expressed by any animal, the organism must possess some sort of photoreceptor. This may be in the ...

Our collections cover all of the living invertebrate phyla, including Onychophora (velvet worms), Chaetognatha (arrow worms), Gastrotricha (hairybacks), Kinorhyncha (mud dragons), Nemertea (ribbon ...

Invertebrates dominate the animal kingdom, making up 97 percent of all creatures. These animals, lacking a backbone, display incredible diversity. From microscopic mites to giant squid, their ...