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Jackknife chelicera are described in two different forms: orthognathous and labidognathous. Orthognathous chelicerae are articulated in a manner that enables movements of the appendages parallel to the body axis. This kind of chelicera occurs in the Liphistiomorphae and Mygalomorphae spiders and in the related orders Amblypygi, Schizomida and ...
[1] [2] The beak may also be referred to as the mandibles or jaws. [3] These beaks are different from bird beaks because they crush bone while most bird beaks do not. Fossilised remains of beaks are known from a number of cephalopod groups, both extant and extinct, including squids , octopuses , belemnites , and vampyromorphs .
The acanthodians' jaws are presumed to have evolved from the first gill arch of some ancestral jawless fishes that had a gill skeleton made of pieces of jointed cartilage. The common name "spiny sharks" is really a misnomer for these early jawed fishes.
Today's spangram answer on Wednesday, December 11, 2024, is WOODWORKING. What Are Today’s NYT Strands Answers, Word List for Wednesday, December 11? SANDER. PLANE. CHISEL. JIGSAW. LATHE.
Today's spangram answer on Saturday, December 14, 2024, is GOGETTER. What Are Today’s NYT Strands Answers, Word List for Saturday, December 14? DRIVE. INTENSITY. PURPOSE. DEVOTION. PASSION.
Get ready for all of today's NYT 'Connections’ hints and answers for #553 on Sunday, December 15, 2024. Today's NYT Connections puzzle for Sunday, December 15, 2024The New York Times.
Fish jaws, like vertebrates in general, normally show bilateral symmetry. An exception occurs with the parasitic scale-eating cichlid Perissodus microlepis. The jaws of this fish occur in two distinct morphological forms. One morph has its jaw twisted to the left, allowing it to eat scales more readily on its victim's right flank.
SPOILERS BELOW—do not scroll any further if you don't want the answer revealed. The New York Times. Today's Wordle Answer for #1271 on Wednesday, December 11, 2024.