Animal Phyla Lab Adapted from “Phylum Lab” produced by the National Aquarium in Baltimore The diversity of animal life on Earth is astounding. Each animal has a unique body plan which allows it to survive and adapt to its given surroundings. With such an abundance of species‚ classifying animals into different categories is necessary. At first the diversity of animals can be overwhelming‚ but after further research and observation‚ many likenesses appear. These similarities become the basis for
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Cnidaria Hydra‚ Jellyfish‚ Coral‚ & Sea Anemones Phylum Cnidaria- Examples Sea Anemones and Corals - Anthozoa Hydra- Hydrozoa Jellyfish - Scyphozoa Ctenophores - non stinging Cnidarians; Comb Jelly Anatomy A. Polymorphism- Cnidarians have more than one body form: 1.Polyp 2. Medusa Polyp Form Tube with tentacles around the mouth Sessile Medusa Form Umbrella Shape Tentacles around mouth Motile‚ Free-swimming Tentacles Have nematocysts (stinging cells) coiled thread discharges
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Paleontology Cnidaria and Nematocysts Cnidaria‚ also called Coelenterata‚ is a large phylum of marine organisms with around 10‚000 species. These species are corals‚ jellyfish‚ various plant-like organisms‚ as well as many others. These are all very different from each other‚ except for one similar attribute. They all have Nematocysts‚ which are stinging cells used by all Cnidaria for either defense or hunting. Nematocysts have a variety of functions to fulfill these tasks. The organism can use
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Biology Animal Phylums "Write a three sentence description for each phylum and list two examples for each. Also‚ draw a picture of a common example from each. (or cut out of a magazine). You will be graded on how accurate your information is as well as neatness." Sponges (Porifera): Poriferans don’t have mouths; instead‚ they have tiny pores in their outer walls through which water is drawn. Cells in the sponge walls filter nutrients from the water as the water is carried through the body
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PHYLUM PORIFERA DELA CRUZ‚ R.‚ DUMLAO‚ D.‚ PASCUA‚ M.‚ SAN JUAN‚ R.‚1 1Department of Biology‚ College of Science‚ University of the Philippines Baguio July 17‚ 2012 ABSTRACT | | |Sponges [Porifera] are unusual animals whose body plans make interpreting phylogenetic relationships within the group and with other basal | |metazoan taxa a difficult task
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Cnidaria is a large phylum composed of some of the most beautiful of all the salt and freshwater organisms: the true jellyfish‚ box jellyfish‚ coral and sea anemones‚ and hydra. Although Cnidaria is an incredibly diverse group of animals‚ there are several traits that link them together. Most cnidarians are dipoblastic‚ which means that they are composed of only two layers of cells. The outer layer is known as the ectoderm or epidermis‚ and the inner layer is known as the endoderm or gastrodermis
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Phylum: Porifera A sponge has differentiated cells and functionally distinct layers. The ameobocytes secrete spicules which stack up together to make the sponge. The choanocytes are composed of a flagellum and a collar (collar cells). The amoebocytes and choanocytes are the work force of the sponge--they create the body of the sponge. The major sponge groups of today had an ancestor in the Cambrian period. The sponges reproduce either sexually or asexually. When they reproduce sexually‚ they
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phytoplankton -Weak swimmers Which includes: 1. Copepods 2.Krill 3.Phylum Cnidaria 4.Phylum Ctenphora 5.Salps 6.Larvaceans 7.Phylum Chaetognatha 8.Mollusks and Annelids Copepods -Phylum Arthropoda -Subphylum Crustacea -Exoskeleton that is molted -Segmentation -Jointed appendages -One of most dominant groups of zooplankton -Active filter feeders -The head has a single central eye and two antennae. Krill -Phylum Arthropoda -Subphylum Crustacea -The largest krill species‚ the
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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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AP Biology‚ Chapter 33 Invertebrates [by clade] SUMMARY INTRODUCTION PARAZOA Introduction Phylum Porifera: Sponges are sessile with porous bodies and choanocytes 1. Identify the parts of a sponge (including the spongocoel‚ porocyte‚ epidermis‚ choanocyte‚ mesohyl‚ amoebocyte‚ osculum‚ and spicule) and describe the function of each. a. Lifestyle: sessile‚ immobile filter feeders b. Water circulation i. Epidermis seals outside ii. Flagellated choanocytes lining
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