First phylum with complete digestive system
WebThe free-living species of flatworms are predators or scavengers. Parasitic forms feed on the tissues of their hosts. Most flatworms, such as the planarian shown in Figure 1, have a gastrovascular cavity rather than a complete digestive system. In such animals, the “mouth” is also used to expel waste materials from the digestive system. WebThe first phylum with complete digestive system was__________. A Cnidaria B Nematoda C Arthropoda D Chordata Medium Solution Verified by Toppr Correct option is …
First phylum with complete digestive system
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WebSolution The correct option is D Aschelminthes First phylum to have complete digestive tract is phylum Nematoda or Aschelminthes. Nematodes do not have a well-developed … Web-first to evolve, evolved from protist kingdom-bodies with many pores-no nervous system or digestive system--rely on constant flow of water to obtain food and oxygen-sessile …
WebAug 19, 2024 · Acoelomates commonly possess a simple digestive tract, nervous system, and excretory system. They have sense organs for detecting light and food sources, as well as specialized cells and tubules … WebThe digestive system comprises a complete alimentary canal with the muscular pharynx. In Ascaris, the rectum opens into the anus in females and cloaca in males, present posteriorly. The respiratory system is absent and gaseous exchange occurs through the …
WebNematodes are pseudocoelomate animals akin to flatworms, yet display more advanced neuronal development, a complete digestive system, and a body cavity. This phylum includes free-living as well as parasitic organisms like Caenorhabditis elegans and Ascaris spp., respectively. They include dioeceous as well as hermaphroditic species. …
WebInvertebrates have one of two types of digestive system. They are called incomplete and complete digestive systems. Both are shown in Figure below. An incomplete digestive system consists of a digestive cavity with one opening. The single opening serves as both mouth and anus.
WebBriefly describe the characteristics of organisms of the phylum Nematoda. Alimentary canal, -complete digestive tube no circulatory system, longitudinal body muscles, § Found in § most aquatic habitats, § soil, § moist tissues of plants, § in body fluids and tissues of animals § They have an alimentary canal, § but no circulatory system ... opening a small coffee shopWebNov 29, 2024 · Investigate the digestive systems of arthropods, members of the phylum Arthropoda. Discover the characteristics of this phylum and the parts of their digestive systems, including the... iowa vehicle title lien releaseWebThey take their name from their round body cross-sectional shape. Unlike the flatworms in which food and waste enter and exit from the same opening, nematodes have a complete digestive system. An animal with … opening a small gymWebQuestion: Question 2 0.2 pts Phylum Echinodermata is classified under radiata. O True O False Question 3 0.2 pts Which of the following is not a general characteristic of Subphylum Cephalochordata? o Complete digestive system o Only the larvae stage has all four key characteristics of Chordates o Closed circulatory system o Filter-feeder Question 4 0.2 … iowa vehicle tags renewalWebThe digestive tract varies in structure, depending upon the diet and feeding mode of the animal. Arthropods possess an open circulatory system with a dorsal heart, and have … opening a spanish bank accountWebNov 29, 2024 · The Echinoderm Digestive System Compared to many other animals, and even other invertebrates, echinoderms have relatively simple digestive systems. Their digestive system consists of four... opening a small movie theaterWebMar 5, 2024 · An incomplete digestive system consists of a digestive cavity with one opening. The single opening serves as both mouth and anus. A complete digestive system consists of a digestive tract with … opening a sole proprietorship bank account