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phototropic digestion is a process in which saprobionts feed by secreting enzymes through the cell membrane onto the food. The enzymes catalyze the digestion of...

Marine invertebrates are the invertebrates that live in marine habitats. Invertebrate is a blanket term that includes all animals apart from the vertebrate...

the digestive system. The stomach is involved in the gastric phase of digestion, following the cephalic phase in which the sight and smell of food and...

storage of food before digestion. The crop is an anatomical structure in vertebrate animals, such as birds, and invertebrate animals, such as gastropods...

digestion took place intracellularly. The digestive products were absorbed into the cytoplasm and diffused into other cells. This form of digestion is...

primitive ones: sponges have small pores (ostia) throughout their body for digestion and a larger dorsal pore (osculum) for excretion, comb jellies have both...

A minority of leech species are predatory, mostly preying on small invertebrates. The eggs are enclosed in a cocoon, which in aquatic species is usually...

domestication around 5,500 years ago in central Asia as a working animal. Among invertebrates, the silkworm and the western honey bee were domesticated over 5,000...

groups feeding on decaying wood, derive much of their nutrition from the digestion of various fungi that are growing amidst the wood fibers. Such insects...

abdominal hemocoel and are where most digestion and nutrient absorption takes place.: 557  Before and following digestion, the midgut lining (epithelium) secretes...

Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (/ˈmɒləsks/). Around 76,000 extant species of...

contained in the peritoneum is a serous fluid. In amniotes and some invertebrates the peritoneum lines their largest body cavity called the coelom. Mammalian...

bile ducts make up the duodenum, so provide greater support for nutrient digestion. The wall of the small intestine is lined with four main tunics - tunica...

its pharynx, connecting it to the earthworm's body and beginning digestion. The digestion seems to be at least partially extracorporeal by means of a collagenolytic...

particles that have already been partially digested by enzymes in the gut. Digestion is then completed within the phagocytic cells and the nutrients diffuse...

wings (if present), is specialized for locomotion; and the abdomen is for digestion, respiration, excretion, and reproduction.: 22–48  Although the general...

The gastrovascular cavity is the primary organ of digestion and circulation in two major animal phyla: the Coelenterates or cnidarians (including jellyfish...

seed predation can be mutually beneficial, as some seeds can survive the digestion process. Insects are major eaters of seeds, with ants being the only real...

means that the blood never leaves the network of blood vessels. Some invertebrates such as arthropods have an open circulatory system. Diploblasts such...

frugivory when other food sources are in poor supply. Their efficient digestion of fruits containing simple sugars allows them to live on fruit alone...