Topics: Mollusc, archachatina marginata

Topics: Nutrient requirement, nutrient, feeding, digestion, vertebrate gut

Topics: Feeding Mechanism, feeder, Filter feeder, Deposit feeder, Fluid feeder, Carnivore, Herbivore, Digestion, Cellulose digestion, Food Processing

Topics: Intracellular Digestion, Extracellular Digestion, Digestion, Oral Cavity, Pharynx, Esophagus, Stomach, Small Intestine, Absorption of Nutrient, Large Intestine

Topics: cellular respiration, Glycolysis, Glucose, Kreb’s Cycle, acetyl CoA, pyruvic acid, Hydrolysis, Fat metabolism

Topics: vitamin, mineral

Topics: life, water, cell, membrane structure, membrane function, metabolism, cellular respiration, fermentation, photosynthesis, cell communication, cell cycle, genetics, meiosis, Mendel, inheritance, gene expression, Virus, DNA tools, Biotechnology, genomes, evolution, phylogeny, bacteria, Archea, prostist, plant diversity, animal diversity, invertebrate, vascular plant structure, soil nutrition, plant nutrition, angiosperm reproduction, plant form, plant function, animal form, animal function, animal nutrition, gas exchange, immune system, osmoregulation, excretion, hormone, endocrine system, animal production, animal development, neuron, synapse, signaling, nervous system, sensory, motor mechanism, animal behavior, ecology, global change

Topics: cellular metabolism, cell, genetic, development, taxonomy, phylogeny, unicellular eukaryotes, sponge, placozoan, cridarian, ctenophore, acoelomorpha, platyzoa, mesozoa, polyzoa, kryptrochozoa, mollusc, annelid, allied taxa, ecdysozoans, trilobites, chelicerates, myriapod, crustacean, hexapod, chaetognath, echinoderm, hemichordate, chordate, fish, tetrapod, amphibian, aminote, nonavian reptile, bird, mammal, support, protection, movement, homeostasis, digestion, nutrition, nervous coordination, nervous system, nervous coordination, sense organ, chemical coordination, immunity, animal behavior, animal distribution, animal ecology

Topics: Glucose Regulation, Homeostasis, Caloric Imbalance, Obesity, Essential Amino Acids, Essential Fatty Acids, vitamin, Mineral, Digestive Compartment, Extracellular digestion, Stomach

Topics: Rhodopsin, ommatidium, Ommatidia, rhodopsin, rhabdome, mosaic picture, Nocturnal insect, crepuscular insect, diurnal insect, Retinal Physiology, Retinal organization, Phototransduction, Molecular cascade, metabotropic receptor, ionotropic receptor, Myopia, astigmatism, amacrine cell, bipolar cell, optic chiasm