WebThe invertebrates, or Invertebrata, are animals that do not contain bony structures such as the cranium and vertebrae. The simplest of all the invertebrates are the Parazoans, which include only the phylum Porifera. Phylum Porifera ("pori" = pores, "fera" = bearers) are popularly known as sponges. Sponge larvae are able to swim; however, adults ... WebAug 3, 2024 · Mention three animal phyla that possess true coelom. (CCE 2012) Answer: Annelida, Arthropoda, Chordata. Question 41. Identify the given specimen and write its characteristic features. (CCE 2012) Answer: Moss (Funaria): It has leaf like and stem-like structures. The plant is a gametophyte bearing rhizoids and dependent sporophyte. …
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WebAug 28, 2024 · (a) Animals which are able to maintain a certain body temperature over a wide range of temperature in the environment. (b) Animals which have pseudocoelom. Answer: Kingdom Mammalia: Warm-blooded animals Phylum Nematoda: Its members have pseudocoelom. Diversity in Living Organisms Class 9 Extra Questions Short Answer Type … WebGiven below are four matchings of an animal and its kind of respiratory organ: (A) Silver fish – Trachea (B) Scorpion – Book lung (C) Sea squirt – Pharyngeal slits (D) Dolphin – Skin The correct matchings are (AIPMT 2003) o panneerselvam date of birth
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WebPhylum Porifera Sponges-”Pore-bearing” Basic Characteristics •Habitat: aquatic environments (fresh or salt water) •Body Plan: Asymmetric symmetry, osculum = main opening at top, pores for filtering food, choanocytes •Feeding: filter feeder •Respiration, Circulation & Excretion carried through water by diffusion WebThe word "animal" comes from the Latin word animal, of which animalia is the plural, and is derived from anima, meaning vital breath or soul. 5 Phylum Porifera (pore bearing animals) Members of this phylum are commonly known as sponges. They are generally marine. They are mostly asymmetrical animals. They are primitive multicellular animals and ... WebNov 16, 2014 · PHYLUM PORIFERASPONGES. Sponges Pore-bearing animals Most primitive of all animals. Phylum Porifera is huge phylum that contains about 5000 species which … op anime mc\u0027s that hide it