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The behavior of an amphibian hatchling, commonly referred to as a tadpole, is controlled by a few thousand neurons. [4] 99% of a Xenopus hatchling's first day after hatching is spent hanging from a thread of mucus secreted from near its mouth will eventually form; if it becomes detached from this thread, it will swim back and become reattached, usually within ten seconds. [4]
The word “altriciality” is derived from the Latin root alere, meaning "to nurse, to rear, or to nourish", and indicates the need for young to be fed and taken care of for a long duration. [ 16 ] Differences
A small, freely-moving projection on the anterior edge of the wing of modern birds (and a few non-avian dinosaurs)—a bird's "thumb"—the word is Latin and means 'winglet'; it is the diminutive of ala, meaning 'wing'. Alula typically bear three to five small flight feathers, with the exact number depending on the species.
A hatchling still possesses a yolk sac upon which it depends for nutrition, and are thus also known as a sac fry. Fry – refers to a more developed hatchling whose yolk sac has almost disappeared, and its swim bladder is functional to the point where the fish can move around and perform limited foraging to nourish itself. [4]
The best-known source of many English words used for collective groupings of animals is The Book of Saint Albans, an essay on hunting published in 1486 and attributed to Juliana Berners. [1] Most terms used here may be found in common dictionaries and general information web sites. [2] [3] [4
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The traditional modes of reproduction include oviparity, taken to be the ancestral condition, traditionally where either unfertilised oocytes or fertilised eggs are spawned, and viviparity traditionally including any mechanism where young are born live, or where the development of the young is supported by either parent in or on any part of their body.
For every 3 non-theme words you find, you earn a hint. Hints show the letters of a theme word. If there is already an active hint on the board, a hint will show that word’s letter order.