The following image is of a freshwater Hydra sp. (Hydrozoa). Select ALL correct statements below. A polyp is pictured Hydra have no medusa stage A medusa is pictured Hydra reproduce asexually via strobilation All Hydra species are exclusively marine 10
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- Phylum Platyhelminthes Nemertea Gastrotricha Habitat Symmetry Germ Layer Give two classes belonging in each phylum. Locomotion Digestive Respiratory Circulatory System Excretory Nervous Reproductive Fertilizatio nPARASITIC HELMINTHES: Phylum Platyhelmenthes Tape worm Class Sex Sturctures Cestoda Monoecious Scolex Proglotids Blood fluke Hookworm Pinworm Liver fluke Ascaris lumbricoides 6) COLONY CHARACTERISTICS Description Plates Shape of colony Margin of colony Elevation Орacity Pigmentation Slant Filiform Arborescent BeadedSiphonicle neck in ammonoidea is directed forwads Select one : True False
- The following taxa have many species that commonly reproduce asexually. Choose all that apply. Chordata O Platyhelminthes O Arthropoda Cnidaria Annelida PoriferaThe mature proglottids as shown in the image below is a taken from Nematodes All of the choices are correct. O Trematodes O CestodesPlease draw a picture of Clonorchis (Class Trematoda) and label its anatomy with the terms listed below. Note: Terms to label dawing with. Oral sucker, Ventral sucker, Pharynx, Intestine, Ovary, Yolk Gland, Uterus, Anterior testis, Posterior Testies. Please make sure to include all terms labeled in your drawing.
- Please draw a picture of Clonorchis (Class Trematoda) and label its anatomy with all of the following terms listed below. Please do not plagerize. Draw it yourself. Note: Terms to label dawing with. Oral sucker, Ventral sucker, Pharynx, Intestine, Ovary, Yolk Gland, Uterus, Anterior testis, Posterior Testies. Please make sure to include all terms labeled in your drawing.Describe the feeding process of a sponge. Make sure to use the following vocabulary in your answer: spongocoel, choanocytes, phagocytosis. What are some possible functions of spicules and spongin? How are these sponge parts alike and different? Why is sexual reproduction beneficial for sponges (or other organisms)? When could asexual reproduction be beneficial?Xenacoelomorpha are characterized by all of the following except: hermaphroditism acoelomate body organization protonephridia metanephridia
- Give the order for the life cycle of the hydrozoan, Obelia, starting with the polyp form. Answers Growth into mature polyp Cells grow into Planula. Reproductive polyps form. Medusa buds. Meiosis occurs. Fertilization occurs.pict Experimental Planaria #1 Cut in half into front (anterior) and rear (posterior) Day 1 Measuring the Planaria This operation is best performed by removing some of the water from the dish into the lid with a clean pipette and waiting for the worm to stretch out. Measure the length of the worm in millimeters. (Always replace the water right away, you can use the dish lid to transfer water to and from the planarian environment.) A. Record the length of the front (anterior) section just AFTER you cut. This is your INITIAL front length: 5 m m B. Record the length of the rear (posterior) section just AFTER you cut. This is your INITIAL rear length: 3mm C. Observe and record any behavioral responses just after your cut Day 2 Spend time under the microscope observing the cut Planaria. Answer the following questions based on your observations. NO measurements will be taken on this day. a) Are the cut fragments showing signs of regeneration? b) How did you identify the regenerating portion?…Name three disadvantages of sexual reproduction (relative to the asexual alternative). Name one advantage. Diagram the life cycles of a typical scyphozoan (e.g. Aurelia), a trematode, and a monogonontan rotifer, then compare and contrast the features of these life cycles. Be sure to emphasize where and how sexual reproduction, asexual reproduction and dispersal take place. Relate where sex and asex occur in the life cycle to the first part of the question.