Kathlynn Constiner GS102 Introduction to Life Science Week 7 Assignment The Earth’s largest phylum is Arthropoda‚ including centipedes‚ millipedes‚ crustaceans‚ and insects. Insects are the largest and most successful class of animals on Earth. This success‚ zoologists believe‚ is attributed from certain biological traits such as their small size or ability to fly for some (Postlethwait & Hopson‚ 2010). The exoskeleton of most insects supports them inside but also protects them from outside. John
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heterotrophs Range from sponges to vertebrates 2. Who developed the binomial system of nomenclature (genus and species)? Answer: Carl von Linne. 3. List the levels of classification beginning with kingdom and ending with species. Answer: Kingdom>Phylum>Class>Order>Family>Genus>Species Chapter 15 and 16 1. How are prokaryotic cells characterized? Explain each in detail. Answer: Cytoplasm; Plasma membrane; Ribosomes; Cell wall composed of peptidoglycan; Glycocalyx – jelly like capsule that helps
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PLATYHELMINTHES About Platyhelminthes Platyhelminthes are an ancient phylum and there is little information into how it evolved. Their evolutionary history remains unknown because soft-bodied organisms do not fossilize well. Scientists believe that the first flatworm began to evolve 550 years ago. Platyhelminthes otherwise known as “flatworms” have a wide variety of species within the phylum and have positive and negative effects on those who interact with them. Some examples of Platyhelminthes
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Q.5. Describe five kingdom classification Margulus and schwartz. OR Describe the structure and characteristics of Virus. OR Write four common characteristics of the following. Phylum Protozoa Phylum Porifera Phylum Coelenterata Phylum Annelida Phylum Mollusca Phylum Echinodermata Phylum Arthropoda OR Write four common characteristics of the following Class Pisces www.moalims.com www.moalims.com Amphibia Reptilia Aves Mammalia Q.6. Write down four functions
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cephalization 1.2: Unicellular and multicellular organization (Salient features with examples of phyla‚ subphyla and classes mentioned below) 1.2.1: Unicellular organization: Phylum Protozoa 1.2.2: Multicellular organization: Colonization level- Phylum Porifera 1.2.3: Multicellular organization: Division of labour (Cell diferentiation)Phylum Coelenterata 1.3 Triploblastic acoelomate and pseudocoelomate organization
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Whale Shark (Rhincodon typus) Kingdom: AnimaliaPhylum: ChordataSubphylum: VertebrataClass: Chondrichthyes (cartilaginous fish)Subclass: Elasmobranchii (sharks and rays)Order: OrectolobiformesFamily: RhincodontidaeGenus: RhincodonSpecies: Rhincodon typus | Integumentary system Whale Shark (Rhincodon typus) has the toughest and thickest skin of all the animals in the world. It reaches up to 14 cm of thick; whale shark is pale on the underside and dark gray-brown color with white spots on the
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this essay I will talk about two kinds of organisms that are called worms. That’s organisms use it in a labs. Which are the flatworm and the roundworms. However‚ every kind belongs to different phylum‚ so they are not closely related to each other. Flatworms ( phylum Platyhelminthes) and roundworms ( phylum Nematoda)‚ but there are many similarities and differences between these two types of organisms. Similarity: • There are many similarities between the two groups of worms‚ Platyhelminthes and
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ION OF CLASSIFICATION OF NON-CHORDATES UPTO CLASSES WITH SALIENT FEATURES Vanramliana Pachhunga University College Aizawl‚ Mizoram 1. Phylum Porifera: From the Latin porus for pore and Ferre to bear‚ hence an animal with with pores. ~5000 species. Characteristic features:- a) Multicellular; no true tissue; asymmetric; sessile b) spongin- protein fibers for structure; spicules for skeleton c) filter feeders using collar cells (choanocytes) & amoebocytes
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"soft")‚ which is generally protected by a hard‚ calcium- containing shell. In some forms however‚ the shell has been lost in the course of evolution‚ as in slugs and octopuses‚ or greatly reduced in size and internalized‚ as in squids. Mollusks (Phylum Mollusca) are found in marine‚ brackish‚ and fresh waters. They include a diverse group of animals such as clams‚ mussels‚ oysters‚ scallops‚ abalone‚ conchs‚ shipworms‚ snails‚ nudibranchs‚ chitons‚ squids‚ and octopuses. Common methods of introduction
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Phylum nematode Characteristics of Nematoda:- 1)Bilaterally symmetrical‚ and vermiform. 2) Body has more than two cell layers‚ tissues and organs. 3) Body cavity is a pseudocoel‚ body fluid under high pressure. 4) Body possesses a through gut with a subterminal anus. 5) Body covered in a complex cuticle. 6) Has a nervous system with pharyngeal nerve ring. 7) Has no circulatory system (no blood system) 8) Reproduction normally sexual and gonochoristic. 9) feed on just about everything
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