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Hydras have two significant structures on their body: the "head" and the "foot". When a Hydra is cut in half, each half regenerates and forms into a small Hydra; the "head" regenerates a "foot" and the "foot" regenerates a "head". If the Hydra is sliced into many segments then the middle slices form both a "head" and a "foot". [7]
They then bring the food to their mouth, ingest and digest the organism. Anything that cannot be digested is egested. Ingestion and egestion occur through the mouth. Like other hydras, Hydra vulgaris cling to a base object with a "foot" pad, shaped like a disk. The Hydra moves by releasing its grip on its base and is carried away by the current.
Ligeia – name meaning "clear-toned", daughter of Achelous and either Melpomene or Terpsichore; Parthenope – name meaning "maiden-voiced", Daughter of Achelous and Terpsichore; Pisinoe – daughter of Achelous and either Melpomene or Sterope; Thelxinoë – name meaning "mind charming" Swan maiden (Multi-cultural) – shapeshifts from human ...
Hydra are diploblastic organisms, the body is composed of two embryonic cell layers; the ectoderm and the endoderm. The endoderm lines the gastrovascular cavity, which is a water-filled sac, this acts as a hydroskeleton and site for food digestion. They also have a simple nervous system that consist of a nerve net that covers the entire body. [5]
Hydras are a group of freshwater Cnidarians that are about 0.5 cm long. A hydra has a short, tubular shaped body. Hydras have a head that consists of a hypostome region and a foot that consists of a basal disc. The head portion of the hydra contains the mouth and tentacles, which allows for the catching and eating of food.
Younger turtles − between 7 and 10 years old − should eat more meat, but as they get older, they will also consume vegetables and fruit, Fetch by WebMD reports.
Placentophagy: eating placenta; Trophallaxis: eating food regurgitated by another animal; Zoopharmacognosy: self-medication by eating plants, soils, and insects to treat and prevent disease. An opportunistic feeder sustains itself from a number of different food sources, because the species is behaviourally sufficiently flexible.
Hydrozoa (hydrozoans; from Ancient Greek ὕδωρ (húdōr) 'water' and ζῷον (zôion) 'animal') is a taxonomic class of individually very small, predatory animals, some solitary and some colonial, most of which inhabit saline water.