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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slowly Stage - specimens are placed here Condenser - focuses light Iris diaphragm - controls amount of light passing through the specimen TOTAL MAGNIFICATION = OCULAR MAGNIFICATION X OBJECTIVE MAGNIFICATION CLASSIFICATION Taxonomy Kingdom Phylum Class Order Family Genus Species Scientific names Binomial system uses GENUS and SPECIES names Keys 1)branching Keys these keys use a tree diagram to sort out specimens 2)Dichotomous Keys These keys use a series to pairs of questions to
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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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Name _______________________ Period ___________ Date ____________________ NONCOELOMATE INVERTEBRATES (CH 32) Sponges are basal animals that lack true tissues 1. Sponges are in the phylum Porifera. This group is now known to be polyphyletic‚ and all sponges belong to either phylum Calcarea or phylum Silicea. They are the simplest animals and lack true tissues. Label the following: pores‚ spongocoel‚ epidermis‚ amoebocytes‚ choanocyte‚ flagellum‚ spicules‚ epidermis‚ and mesohyl.
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this experiment‚ we are required to observe‚ explain‚ identify and recognize the phylum under Kingdom Animalia. The phylum that we need to identify was Phylum Porifera‚ Phylum Cnidaria‚ Phylum platyhelminthes‚ Phylum Nematoda‚ Phylum Rotifera‚ Phylum Mollusca‚ Phylum Arthropoda‚ Phylum Echinodermata‚ Subphylum Cephalochordata and Subphylum Vertebrata (Fishes). Phylum Porifera The characteristic of members of Phylum porifera include asymmetrical or radial symmetry body plan. There are three types
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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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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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are either: 1. Invertebrates * Have no back bone 2. Vertebrates Things to classify Animals: 1. Feeding 2. Respiration 3. Internal Transport 4. Excretion 5. Response 6. Movement 7. Reproduction Phylum Porifera * The flagella move water into the sponge * Cells collect nutrients in the water before it leaves the sponge * Internal transport> have cells like amoeboids to crawl around; hands out nutrients 1. Reproduction
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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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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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