WebMolluscan Phylogeny and Evolution. Mollusca constitutes the second largest animal phylum and the most diverse in the marine realm. It is also arguably the animal phylum with the largest body plan disparity. A goal of our lab is to better understand the diversification of this animal group from phylogenetic and ecological perspectives. WebJun 21, 2024 · Shells are the most conspicuous features of molluscs. Yet, their evolutionary origin has been a matter of debate for many decades (Haas, 1981; Kniprath, 1981; Wanninger & Wollesen, 2015 ). Molluscan …
Photoreception - Evolution of eyes Britannica
WebMollusca is one of the most diverse groups of animals on the planet, with at least 50,000 living species (and more likely around 200,000). It includes such familiar organisms as snails, octopuses, squid, clams, scallops, oysters, and chitons. Mollusca also includes some lesser known groups like the monoplacophorans, a group once thought to be ... WebThe basic cephalopod body plan includes two eyes, a mantle, a funnel (also called a siphon), and at least eight arms. ... Though structured similarly to other mollusks, a cephalopod nervous system far surpasses the nervous systems of their closest molluscan ... evolution occurs through a series of incremental changes in the DNA code—a ... pinterest free recipes for dinner rachael ray
Evolution of colour and vision in marine invertebrates
WebApr 3, 2024 · Molluscs also have the greatest diversity in eye morphology, ranging from simple cupped to chambered or compound eyes, as well as in the number and placement of their eyes 8, providing good ... WebDec 29, 2008 · Several invertebrate systems have been developed to study various aspects of the eye and eye disease including Drosophila, Planaria, Platynereis, and most recently, the cubozoan jellyfish Tripedalia; however, molluscs, the second largest metazoan phylum, so far have been underrepresented in eye research.This is surprising as mollusc … WebOct 26, 2011 · To better resolve the relationships among molluscs, we generated transcriptome data for 15 species that, in combination with existing data, represent for the first time all major molluscan groups ... stem cells and diabetes type 2