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A tunicate is an exclusively marine invertebrate animal, a member of the subphylum Tunicata (/ ˌtjuːnɪˈkeɪtə / TEW-nih-KAY-tə). This grouping is part of the Chordata, a phylum which includes all animals with dorsal nerve cords and notochords (including vertebrates). The subphylum was at one time called Urochordata, and the term ...
Ciona intestinalis (sometimes known by the common name of vase tunicate) is an ascidian (sea squirt), a tunicate with very soft tunic. Its Latin name literally means "pillar of intestines", referring to the fact that its body is a soft, translucent column-like structure, resembling a mass of intestines sprouting from a rock. [ 1 ]
0033-3107. Psychology Today is an American media organization with a focus on psychology and human behavior. The Psychology Today publication began as a bimonthly magazine, which first appeared in 1967. The print magazine's reported circulation is 275,000 as of 2023. [2] The Psychology Today website features therapist and health professional ...
Clavelina picta are invertebrate filter feeders that feed by inducing a current into the branchial cavity from the incurrent siphon, with the help of the endostyle using cilia. [3] Mucus glands in the endostyle secrete mucus used to filter through the incoming water and food particles. Once sorted, the mucus is moved by cilia to move food into ...
Pegea confederata on a 1995 stamp from Azerbaijan. A salp (plural salps, also known colloquially as “sea grape”) or salpa (plural salpae or salpas[2]) is a barrel-shaped, planktonic tunicate in the family Salpidae. It moves by contracting, thereby pumping water through its gelatinous body; it is one of the most efficient examples of jet ...
Psychology is the scientific study of mind and behavior. [1][2] Its subject matter includes the behavior of humans and nonhumans, both conscious and unconscious phenomena, and mental processes such as thoughts, feelings, and motives. Psychology is an academic discipline of immense scope, crossing the boundaries between the natural and social ...
Molgula occulta is a solitary, oval-globular tunicate with a broad, shallow six-lobed oral siphon and a similar-sized four-lobed atrial siphon, both near the apex. It is 1.5 to 3 cm (0.6 to 1.2 in) tall, light brown in colour and resembles a kiwifruit in size and appearance. The rather stiff tunic wall is completely coated with shell fragments ...
Representation of the stages of processing in a typical reaction time paradigm. Mental chronometry is the scientific study of processing speed or reaction time on cognitive tasks to infer the content, duration, and temporal sequencing of mental operations. Reaction time (RT; also referred to as " response time ") is measured by the elapsed time ...