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Arthropods, echinoderms, vertebrates, and crayfish TEST Flashcards

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379439760what are examples of arthropods?flies, ants, beetles, crabs, and shrimp
379439761what is unique about the animal group of arthropods?they are the most successful animal group (>1million species)
379439762arthropods have an exoskeleton made of ______?chitin
379439763the exoskeleton of arthropods cannot grow, so they undergo ________ to form a new one. (form of molting)ecdysis
379439764what does the word "arthropod" literally mean?jointed appendages
379439765who were the first (simplest) animals to have a brain?arthropods
379439766what 3 classes are arthropods divided into?crustaceans, arachnids, and insects
379439767what kind of circulatory system do arthropods have?an open circulatory system through which HEMOLYMPH flows
379439768what are some examples of crustaceans?lobsters, crabs, barnacles, and shrimp
379439769CORAL is a _______ and BARNACLES are ______.cnidarian, crustaceans
379901489how many legs do crustaceans have?10 legs
379439770where do most crustaceans live?saltwater
379439771how many TOTAL antennae do crustaceans have?4 TOTAL antennae
379439772what are the BIGGEST kind of arthropods?Deccapodia (lobsters)
379439773ticks and mites are examples of what?arachnids
379439774how many TOTAL legs do arachnids have?8 TOTAL legs
379439775what is the only class of arthropods that can have either 2 OR 3 body sections?crustaceans
379439778what do arachnids use to breath?book lungs
379439779what group of arthropods can ONLY have 2 body sections?arachnids
379439780what class of arthropods produces silk?arachnids
379439781what subclass are horseshoe crabs in?chelicerata
379582796whats another name for "fangs"chelicerae
379582797in an arachnid, all legs come off of the __________.abdomen
379439776what 3 body parts do insects have?head, thorax, and abdomen
379439777insects are what percent of all animals?73%
379582798what animals have the greatest impact on the planet?insects
379582799what class of arthropods have ONLY 3 body sections?insects
379582800the wings on an insect are connected to the ________?thorax
379582801insects have 6 TOTAL legs connected to the ________?thorax
379582802what kind of metamorphosis is this: egg----> larvae----> pupa---->adultcomplete
379582803what kind of symmetry do echinoderms have?pentamerous radial symmetry
379582804what do echinoderms use to move?tube feet
379582805how do echinoderms deliver food and oxygen throughout their body?a water vascular system
379582806what are 2 characteristics that echinoderms lack?segmentation and chaphalization
379582807in a vertebrate, the notochord becomes ______?disks
379582808ectothermybody temperature is controlled be environment
379582809what is an advantage of ECTOthermic vertebrates?they don't have to eat as much
379582810what is a disadvantage of ECTOthermic vertebrates?their habitats are limited
379582811what are the 5 classes of vertebrates?amphibians, reptiles, birds, mammals, and fish
379582812what vertebrates are ECTOthermic?amphibians, reptiles, and fish
379582813what vertebrate lives in water as larvae and land as an adult?amphibians
379582814reptiles lay eggs on _____ and amphibians lay eggs in ______.land, water
379582815what has dry, scaly skin and lays eggs on land?reptiles
379582816what is the class of cartilaginous fish?chondrichthyes
379901490what are 3 types of cartilaginous fish?sharks, rays, and skates
379901491what is is a specific trait of cartilaginous fish's gills?they are exposed
379901492what is squamous?a liver oil produced by cartilaginous fish to help with buoyancy
379901493what is the class of bony fish?osteichthyes
379901494what covers the gills of a bony fish?operculum
379901495what structure helps bony fish with buoyancy?a swim bladder (pouch of air under spine)
379901496perch, bass, and seahorse are all examples of _______.bony fish
379901497what does tetropod mean4 legged
379901498endothermygenerate and retain heat inside bodies
379901499how do animals with ENDOthermy maintain homeostasis?panting, sweating, shivering etc.
379901500what class are birds in?aves
379901501what feature accommodates birds?strong, light bones with air spaces
379901502ENDOTHERYMY SHOWED UP TWICE IN EVOLUTION!!!...
379901503since birds have no bladder, how do they excrete wastes?uric acids
379901504female birds only have 1 ovary...
379901505monogamoushaving one mate for life (birds)
379901506birds can breathe in the same time they breath out...
379901507mammalsmammary glands to nourish young and care for them; 4 chambered heart
379901508what are examples of mammalswhales, horses, platipus (lays eggs)
3799015093 orders of mammaliamonotremes, marsupials, eutherians**
379901510monotremeslays eggs, platypus, anteater
379901511marsupialspuch (marsupium which holds mammary glands) womb #2, koala, kangaroo, flying squirrel, opossum
379901512eutheriansmost animals, placental, fully developed when born, [dolphins have whiskers when first born to find mammary glands]
379984865what animals have open circulatory systems?arthropods and mollusks
379984866what animals have closed circulatory systems?annelids, some mollusks, and all vertebrates
379984867how do earthworms respire?through skin
379984868how do snails respire?mantle cavity
379984869how do insects breath?tracheal tubes
379984870how do spiders breath?book lungs
379984871how do aquatic reptiles and mammals breath?lungs
379984872how do aquatic invertebrates breath?gills
379984873a sac with ridgesamphibian lung
379984874reptilian lungchambers that increase surface area for gas exchange
379984875branched and filled with bubble like structures called alveoli (give enormous surface area for gas exchange)mammal lungs
379984876mammal lung characteristics:2 way air flow through one tube----traps oxygen poor air
379984877bird lung characteristics:one way air flow----helps get oxygen for flight muscles
379984878who has a single-loop circulatory system?animals with gills
379984879who has a double-loop circulatory system?animals with lungs
379984880atriumreceives blood
379984881ventriclepumps blood
379984882how many chambers do mammalian hearts have?4
379984883how many chambers amphibian hearts have?3 (2 atria, 1 ventricle)
379984884how many chambers do reptile hearts have?3 (but < mixing of O2 poor blood and O2 rich blood)
379984885what animals convert wastes into uric acid?reptiles, birds, insects,arachnids
379984886what animals convert wastes into urea?mammals and amphibians
379984887what animals produces urine in nephridia?annelids and mollusks

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