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An active marine predator is found possessing these characteristics: a series of tentacles, a highly developed nervous system, and elaborate eyes. To which of the following animal classes does this organism most likely belong? Bivalvia Chelicerata Polyplacophora Polychaeta Cephalopoda |
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A _____ is a chordate but not a vertebrate. sea star lancelet lamprey frog shark |
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Birds are different from all other living vertebrates because they ____. can fly lack teeth have feathers are bipedal |
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Which one of the following is not a feature of polychaete worms (phylum Annelida, class Polychaeta)? a water vascular system a segmented, bilateral symmetrical body a protostome pattern of embryonic developement a marine environment |
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Consider the following list of animals: giant squid, earthworm, largemouth bass, snail, tapeworm, coral, and starfish. The two that belong to the same phylum are the ____, and their phylum is _____. snail and coral... Annelida bass and giant squid... Mollusca earthworm and tapeworm... Annelida coral and starfish... Echinodermata giant squid and snail... Mollusca |
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earthworm and tapeworm... Annelida |
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Which characteristic is not true of sponges? they generally show no regular symmetrical pattern all of these are characteristics of sponges they have collar cells they basically consist of two layers of cells with a noncellular gelatinous layer between them they have holes, or pores, in specialized cells, through which water enters |
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all of these are characteristics of sponges |
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Tapeworms are highly specialized worms that make their living as endoparasites. To which of the following phyla and classes do the tapeworms belongs? phylum Annelida, class Oligochaeta phylum Platyhelminthes, class Turbellaria phylum Annelida, class Hirudinoidea phylum Platyhelminthes, class Cestoidea phylum Nematoda, class Polychaeta |
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phylum Platyhelminthes, class Cestoidea |
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Which of the following kind of animal is NOT an amphibian? anuran amniote salamander caecilian |
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Jellies and corals are members of the same ___, all members of which ___. family... have a complete circulatory system phylum... have a colonial lifestyle order... are herbivorous phylum... have special stinging cells on their tentacles genus... lack a circulatory system |
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phylum... have special stinging cells on their tentacles |
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All unidentified species of animal displays the following characteristics: bilateral symmetry, protosome developement, a complete digestive system, an open circulatory system, and distinct body segmentation. To which one of the following animal phyla does this species most likely belong? Cnidaria Porifera Platyhelminthes Annelida Arthropoda |
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The developement that freed vertebrates from water for reproduction and allowed them to radiate into diverse terrestrial environments was the ___. operculum bony appendage placenta amniotic egg lateral line system |
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Which of the following is NOT a tetrapod? frog snake human lungfish |
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The diagnostic feature of class Chondrichthyes is ___. jaws streamlined, torpedo-shaped body a swim bladder a lateral line system an endoskeleton of clacified cartilage |
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| an endoskeleton of clacified cartilage |
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Symmetry is one of the most basic characteristics of animals. The group that has a different symmetry from the other four groups listed here is the _____. chordates annelids athropods molluscs jellies |
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A feature of bony fish not found in sharks is ___. a lateral line system mineralized teeth a swim bladder gills pelvic and pectoral fins |
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If an animal has segments, bilateral symmetry, pharyngeal celfts, a post-anal tail, and deuterostomic developement, it must be a member of the phylum _. Annelida Chordata Arthropoda Mollusca Platyhelminthes |
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Which one of the following statements about the phylum Echinodermata is false? -many species possess an internal calcareous skeleton and spiny dermal projections -larval forms show evidence of bilateral symmetry, which is mostly lost in the adult form -echinoderms have true radial symmetry as adults -all possess a water vascular system, which permits movements via tube feet -one of the classes in this phylum is Asteroidea, the sea stars |
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-echinoderms have true radial symmetry as adults |
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The nearest living relatives of alligators and crocodiles are ___. snakes birds lizards dinosaurs |
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Which of the following is NOT a characteristic that distinguishes mammals from all other vertebrates? mammary glands hair endothermy specialized teeth |
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The difference between pseudocoelomates and coelomates is that pseudocoelomates ____, whereas coelomates ____. -are protosomes...are deauterostomes -are parazoans... are eumetazoans -have a body cavity partially lined with tissue derived from mesoderm... have a body cavity completely lined with tissue derived from mesoderm -do not have a body cavity... have a body cavity -exhibit radial symmetry... exhibit bilateral symmetry |
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| -have a body cavity partially lined with tissue derived from mesoderm... have a body cavity completely lined with tissue derived from mesoderm |
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The choanocyte of a sponge and the nematocyst of a cnidarian both function in ____. sight locating mates obtaining food locomotion reproduction |
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