WebVerified answer. physics. The Earth reflects approximately 38.0% of the incident sunlight from its clouds and surface. Given that the intensity of solar radiation at the top of the atmosphere is 1 370 W/m ^2 2, find the radiation pressure on the Earth, in pascals, at the location where the Sun is straight overhead. WebA new species of aquatic chordate is discovered that closely resembles an ancient form. It has the following characteristics: external armor of bony plates, no paired lateral fins, and a suspension-feeding mode of nutrition. In addition to these, it will probably have which of the following characteristics? ... brain B) vertebrae C) post-anal ...

Gene duplication, co-option and recruitment during the origin of …

Web5. Goes from active mobile state to stationary state where it no longer needs all features to survive. Transformation occurs in less than 7 minutes. 5. All internal organs rotate 90 degrees. Subphylum Cephalochordata (Lancelets) Lancelets. Ex. Lancelet amphioxus. Chordate characteristics persist in adult stage. The name “chordate” comes from the first of these synapomorphies, the notochord, which plays a significant role in chordate structure and movement. Chordates are also bilaterally symmetric, have a coelom, possess a circulatory system, and exhibit metameric segmentation. See more A chordate is an animal of the phylum Chordata (/kɔːrˈdeɪtə/). All chordates possess, at some point during their larval or adult stages, five synapomorphies, or primary physical characteristics, that distinguish them … See more The following schema is from the 2015 edition of Vertebrate Palaeontology. The invertebrate chordate classes are from Fishes of the World. While it is structured so as to reflect … See more Overview There is still much ongoing differential (DNA sequence based) comparison research that is trying to separate out the simplest forms of chordates. As some lineages of the 90% of species that lack a backbone or … See more Although the name Chordata is attributed to William Bateson (1885), it was already in prevalent use by 1880. Ernst Haeckel described a taxon comprising tunicates, cephalochordates, … See more Chordates form a phylum of animals that are defined by having at some stage in their lives all of the following anatomical features: • A … See more Cephalochordata: Lancelets Cephalochordates, one of the three subdivisions of chordates, are small, "vaguely fish-shaped" animals that lack brains, clearly defined heads and specialized sense organs. These burrowing filter … See more The closest relatives of the Chordates are the Hemichordates and Echinodermata, which together form the Ambulacraria. The Chordata and Ambulacraria together form the superphylum Deuterostomia. Hemichordates Hemichordates ("half … See more dementia tee shirt

Chapter 32- Animals: Chordates and Vertebrates Flashcards

Webchordate: a member of the phylum Chordata; numerous animals having a notochord at some stage of their development; in vertebrates this develops into the spine notochord : … WebThe nerve cord found in most chordate embryos develops into the brain and spinal cord, which compose the central nervous system. Pharyngeal slits are openings in the pharynx (the region just posterior to the mouth) that extend to the outside environment. In organisms that live in aquatic environments, pharyngeal slits allow for the exit of ... WebProfessor Patel conducted brain-imaging studies which demonstrated that there are three abilities associated with intelligence: reasoning, short-term memory, and verbal ability. … dementia wife