INVERTEBRATES TEST
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Cells that contain a nucleus and membrane bound organelles are | eukaryotic
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| Animal Kingdom charactistics include | multicelluar, eukaryotic, heterotrophic, nutrition by ingestion
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| Aquatic animals that strain food from the water they live in are called | filter feeders, or suspension feeders
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| Symbiosis includes what 3 types of relationships? | parasitism, mutualism, commensalism
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| The upper of back side of an animal. | dorsal
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| The underneath or belly side of an animal. | ventral
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| The head end of an animal. | anterior
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| The rear end of an animal. | posterior
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| An animal that has distinct right and left sides shows what type of symmetry? | bilateral
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| An animal that shows no symmetry | asymmetry
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| An animal that has a body plan built around a cylindrical form with no right or left side shows what type of symmetry? | radial
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| The hollow ball of cells formed in the development of an embryo. | blastula
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| Which of the 3 germ layers in an animal embryo will develope the muscles, heart and blood vessels, the reproductive organs and the urinary tract? | mesoderm
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| Animals that are attached to one spot are said to be | sessile
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| Choanocytes, spicules, gemmules, are all associated with which Phylum? | Porifera
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| Sexual reproduction in the sponges includes what type of fertilization? | internal
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| What type of food getting do the sponges use? | filter feeding
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| What function do the flagella perform in the sponge's body? | keeps the water circulating
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| Cnidocytes are | stinging cells
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| The nematocysts are used to | defend the cnidarian and capture food
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| What are the 2 types of body forms in cnidarians? | polyp and medusa
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| What type of symmetry do the Cnidaria display? | radial in the polyp and medusa
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| Polyps are _______________ while the medusa are _______________. | sessile; free swimming
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| The planaria feeds by sucking food in it's digestive cavity with it's? | pharynx
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| The planaria use their __________ to detect light. | eyespots
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| If a parasitic flatworm lives in the gut of it's host, what body system will not be required? | digestive
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| The adult tapeworm uses what structures for attachment to the host's intestinal wall? | scolex with suckers and hooks
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| The tapeworm's body plan includes segements called ____________ that contain the reproductive structure. | proglottids
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| What type of reproduction occurs in the intermediate host of a parasitic flatworm? | asexual
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| Roundworms have a digestive system with ______________ openings. | 2
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| Movement in a roundworm requires the use of the | hydrostatic skeleton
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| List 3 ways humans can become infected with roundworms. | drinking contaminated water, eating contaminated food, insect bites
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| We get trichinosis from | contaminated, undercooked pork
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| The organ in the earthworm's digestive tract that grinds food is | gizzard
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| The body wall of annelids is | segmented
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| Which phylum of worms has a true body cavity? | Annelida
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| In the annelids, what organ removes nitrogen containing wastes? | nephridia
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| Name the parasitic worm that is external. | leech
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| The bristles in an annelid are called? | setae
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| Name 2 ways that earthworms benefit the soil. | tunneling allows oxygen and water to reach plan roots; loosen soil
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| Which mollusk has a closed circulatory system? | cephalopods
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| Why do cephalopods need a closed circulatory system? | they are large, fast moving and require more oxygen where the bivalves and gastropods do not
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| The thin layer of tissue in mollusks that covers the body and secretes the shell. | mantle
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| The small tubes allowing water to enter and exit the mollusk's body. | siphon
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| The muscular foot of mollusks is modified into several shapes and functions in | movement
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| The appendages of arthropods are | jointed
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| The respiratory system of insects and some other arthropods is made up of tubules called | trachae
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| The trachae of arthropods is used to move _____________ throughout the body. | air
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| Where do we find the insects? | in most habitats on earth
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| Molting allows an arthropod to | grow
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| Arthropods are classified according to what 2 criteria? | segmentation and appendages(including mouthparts)
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| Which appendages are especially important in classification of arthropods? | mouthparts
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| Name 2 chelicerates. | spider, horseshoe crab
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| Which group of arthropods are the uniramians? | insects
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| Insects have _______ prs. of legs and spiders have _______ prs. of legs | 3;4
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| What characteristic is common to arachnids and crustaceans? | both have a cephalothorax
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| Centipedes have _____pr legs per segment. | 1
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| Millipedes have _____pr. legs per segment. | 2
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| The ____________ eye is made up of more than one lens. | compound
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| Class Insecta has a body plan with ______ segments, the ________, ________, and the _______. | 3; head, thorax, abdomen
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| The stages of complete metamorphosis are | egg, larva, pupa, adult
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| The stages of incomplete metamorphosis are | egg, nymph, adult
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| In echinoderms, body parts are usually occurs in multiples of | 5
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| The endoskeleton of an echinoderm is composed of | calcium carbonate
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| The hundreds of tiny suction cups on an echinoderm are called | tube feet
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| In the echinoderms, respiration, circulation, and movement are controlled by | the water vascular system
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| Which echinoderm resembles a crawling pickle? | sea cucumber
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