Phylum: Echinoderm, Class : Asteroidea 1. Ecology. Describe/answer the following for each organism: a. Does it have a complete or incomplete digestive system? How does this animal feed? b. Identify any unique feeding structure • Be sure to use the correct terms to identify any unique feeding structure(s) used by the animal.
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Phylum: Echinoderm, Class : Asteroidea
1. Ecology. Describe/answer the following for each organism:
a. Does it have a complete or incomplete
b. Identify any unique feeding structure
• Be sure to use the correct terms to identify any unique feeding structure(s) used by the
animal.
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- For Phylum Echinodermata, Class Crinoidea Ecology. Describe/answer the following for each organism:a. Does it have a complete or incomplete digestive system? How does this animal feed?b. Identify any unique feeding structure• Be sure to use the correct terms to identify any unique feeding structure(s) used by theanimal.Phylum Arthropoda: 1. Comment on the size (number of species) within this phylum. 2. General Body Plan: (circle the appropriate answer) a) Simple or complex, b) Do they have true tissues? Yes or No c) asymmetry, radial symmetry, bilateral symmetry d) Do they have organs? Yes or No e) What type of appendages? f) What type of skeleton? 3. Describe molting.1. Describe a function for the following structures and name the phylum/class in which these structures are found. Structures Function Phylum/Class Spicules Nematocytes Notochord Tube feet Polyp Choanocytes Pharyngeal slits Amoebocytes Denticles
- 1. State the function of the following parts of the genus Romalea (grasshopper): antenna, tympanum, spiracles, ovipositor (female), gastric caeca, malphigian tubules, tracheae, air sacs What are the hairlike appendages called that anchor into the skin of annelids? What structures do earthworms have to help dispose of nitrogenous wastes? Briefly describe how earthworms reproduce and what structures are involved.I. Identify and label the parts of the following specimens of Phylum Cnidaria:For each of the following classes of Arthropods, identify a feature unique to the class and at least 2 organisms that belong to the class: Insecta Crustacea Chelicerata Diplopoda 2. State the function of the following parts of the genus Romalea (grasshopper): antenna, tympanum, spiracles, ovipositor (female), gastric caeca, malphigian tubules, tracheae, air sacs .
- Please solve last 3 sub parts. (or in bold letters.) 1. Identify/label the following structures on Hydra diagram: • tentacle • mouth• gastrovascular cavity - Describe the location of the mouth. - Describe the shape and location of the gastrovascular cavity. - Does a hydra have an anus? - Which of the structures listed above is associated with ingestion? - Which of the structures listed above is associated with digestion?A) State the function of the following external parts of the genus Cambarus (Class Crustacea): walking legs: opening of sperm duct: gills: excretory pore: abdomen: eyes What are the hairlike appendages called that anchor into the skin of annelids? What structures do earthworms have to help dispose of nitrogenous wastes? Briefly describe how earthworms reproduce and what structures are involved.For phylum Echinoderms and class Crinoidea 1. Characteristics. List whether the organism is:a. Diploblastic or triploblastic (if applicable) b. Deuterostome or protostome (if applicable) c. Coelomate, pseudocoelomate or eucoelomate 2. Organ/system characteristics. Answer the following for each organism:a. How is their circulatory system? b. Excretory/osmoregulation: How does the organism eliminate waste? What organs do they use?c. Skeleton/support: List the structures or ways this organism supports itself. 3. Ecology. Describe/answer the following for each organism:a. Does it have a complete or incomplete digestive system? How does this animal feed?b. Identify any unique feeding structure• Be sure to use the correct terms to identify any unique feeding structure(s) used by theanimal.
- 1. Differentiate the feeding mechanisms of a Planaria, Tapeworm and Fasciola. Feeding mechanisms Planaria Tapeworm Fasciola 2. Relate anatomical adaptations of some species of flatworms to their parasitic mode of life. Give 5.Complete the following table regarding the basic body plan of mollusks. BASIC: structures essential for survival; can be reduced, modified but never absent STUCTURE FUNCTION 1. 2. TYPICAL (DISTINGUISHING): structures that define the group (makes them who they are); may be reduced, modified or in extreme cases absent STRUCTURE FUNCTION 1. 2. 3. 4. 5.1. Compare and contrast an Acanthocephalan and a Rotifer by providing 5 points of comparison. Point of comparison Rotifer Acanthocephalan 1. 2. 3. 4. 5. 2. What structures are found in Acanthocephalans which allows them to perform its endoparasitic life? Explain