| 1168762743 | Animals are _______, _______ _______ with _____ that develop from _______ layers. | multicellular, heterotrophic eukaryotes, tissues, embryonic | | 0 |
| 1168762744 | _______ are multicellular, heterotrophic eukaryotes with tissues that develop from embryonic layers. | Animals | | 1 |
| 1168762745 | Animal cells lack ____ ____. | cell walls | | 2 |
| 1168762746 | What two tissues do animals have? | nervous and muscle | | 3 |
| 1168762747 | Animal cells are held together by _______ and specializes ________. | collagen, junctions | | 4 |
| 1168762748 | What is another example of a heterotroph besides animals? | fungi | | 5 |
| 1168762750 | Animal Traits (there's 3) | First degree sexual reproduction, dominant stage: diploid, and hox genes | | 6 |
| 1168762751 | What does diploid mean? | two copies of each chromosome | | 7 |
| 1168762752 | Hox genes | Important roles in the development of animal embryos | | 8 |
| 1168762753 | What plays an important role in the development of animal embryos? | hox genes | | 9 |
| 1168762754 | In what organisms can hox genes be found? | only in animals | | 10 |
| 1168762755 | definition of monophyletic | a group of taxa that consists of a common ancestor and all its descendants | | 11 |
| 1168762756 | A group of taxa that consists of a common ancestor and all its descendants | monophyletic | | 12 |
| 1168762757 | Hypothesis for the origin of animals from a flagellated protist | colonial protist, hollow unspecialized cells, beginning of cell specialization, infolding, gastrula | | 13 |
| 1168762758 | colonial protist, hollow unspecialized cells, beginning of cell specialization, infolding, gastrula | hypothesis for the origin of animals from a flagellated protist | | 14 |
| 1168762759 | Phylogenetic Tree | Shows relationships among animal phyla. The longer the line, the longer it has been since the split of phyla | | 15 |
| 1168762760 | What are the body plans involving symmetry? | asymmetric, radial symmetry, and bilateral symmetry | | 16 |
| 1168762761 | Asymmetric body plans | not symmetric, ex. sponges | | 17 |
| 1168762762 | Radial symmetry | can split more than once, have a top and bottom | | 18 |
| 1168762763 | Bilateral symmetry | split once, have dorsal, ventral, anterior, and posterior regions | | 19 |
| 1168762764 | Cephalization | sensory organs in head region, occurs in bilateral symmetry | | 20 |
| 1168762765 | Animal Phylogeny | morphological and developmental comparisons | | 21 |
| 1168762766 | Body Plans: Tissues (formation of gastrula) | fertilized egg, two cell stage, four cell stage, early blastula, late blastula, gastrula with blastopore | | 22 |
| 1168762767 | fertilized egg, two cell stage, four cell stage, early blastula, late blastula, gastrula with blastopore | Body Plans: Tissues (formation of gastrula) | | 23 |
| 1168762768 | Triploblastic organisms | have an ectoderm, endoderm, and mesoderm | | 24 |
| 1168762769 | have an ectoderm, endoderm, and mesoderm | Triploblastic organisms | | 25 |
| 1168762770 | Ectoderm | skin and nervous system | | 26 |
| 1168762771 | skin and nervous system | ectoderm | | 27 |
| 1168762772 | endoderm | lining of the gut, "gut organs" | | 28 |
| 1168762773 | lining of the gut, "gut organs" | endoderm | | 29 |
| 1168762774 | mesoderm | muscles, skeleton, circulatory, kidney | | 30 |
| 1168762775 | muscles, skeleton, circulatory, kidney | mesoderm | | 31 |
| 1168762776 | Acoelomate: no _____ _____; has ____ _____ from ectoderm, _____ ______ ______ from mesoderm, and ______ _______ from endoderm. | body cavities, body covering, tissue filled region, digestive tract | | 32 |
| 1168762777 | _________: no body cavities; has body covering from ________, tissue filled region from _______, and digestive tract from ________. | Acoelomate, ectoderm, mesoderm, endoderm | | 33 |
| 1168762778 | Pseudocoelomate: has a ___________; has ____ _____ from ectoderm, ______ ______ from mesoderm, and ______ _______ from endoderm. | pseudocoelom, body covering, muscle layer, digestive tract | | 34 |
| 1168762779 | _____________: has a pseudocoelom; has body covering from ________, muscle layer from ________, and digestive tract from _______. | Pseudocoelomate, ectoderm, mesoderm, endoderm | | 35 |
| 1168762780 | Coelomate: has a ________; has ____ _____ from ectoderm, _____ ______ (______ coelom and _______ internal organs) from mesoderm, and ______ _______ from endoderm. | coelom, body covering, tissue layer, lining, suspending, digestive tract | | 36 |
| 1168762781 | ________: has a coelom, has body covering from _______, tissue layer (lining _____ and suspending ______ _______ ) from ______, and digestive tract from _______. | Coelomate, ectoderm, coelom, internal organs, mesoderm, endoderm | | 37 |
| 1168762782 | Protostomes Cleavage | Spiral and determinant | | 38 |
| 1168762783 | Spiral and determinant | protostomes cleavage | | 39 |
| 1168762784 | deuterostomes cleavage | radial and indeterminate / stem cells | | 40 |
| 1168762785 | radial and indeterminate (stem cells) | deuterostomes cleavage | | 41 |
| 1168762786 | protostomes coelom formation | mesoderm splits / schizocoelous | | 42 |
| 1168762787 | mesoderm splits (schizocoelous) | protostomes coelom formation | | 43 |
| 1168762788 | deuterostomes coelom formation | archenteron folds / enterocoelous | | 44 |
| 1168762789 | archenteron folds (enterocoelous) | deuterostomes coelom formation | | 45 |
| 1168762790 | protostomes fate of blastopore | mouth | | 46 |
| 1168762791 | deuterostomes fate of blastopore | anus | | 47 |
| 1168762792 | Differences between protostomes and deuterostomes | cleavage, coelom formation, and fate of blastopore | | 48 |
| 1168762793 | What is the term for a grouping animal phylogeny morphologically? | grade | | 49 |
| 1168762794 | What is the term for a grouping of animal phylogeny by molecular data? | clade | | 50 |
| 1168762795 | Causes of the Cambrian Explosion | ecological, geologic, genetic | | 51 |
| 1168762796 | Ecological causes of the cambrian explosion | predator and prey relations | | 52 |
| 1168762797 | geologic causes of the cambrian explosion | development of oxygen in the atmosphere | | 53 |
| 1168762798 | genetic causes of the cambrian explosion | emergence of hox genes | | 54 |
| 1168762799 | Characteristics of the phylum annelida | protostomes, invertebrates. segmentation, septum, skin is a respiration organ, sexual hermaphrodite | | 55 |
| 1168762800 | annelida segmentation | little rings | | 56 |
| 1168762801 | annelida septum | between segmentation | | 57 |
| 1168762802 | the skin of annelida being a respiration organ... | it needs to be moist | | 58 |
| 1168762803 | annelida sexual hermaphrodite | have both male and female sexual parts | | 59 |
| 1168762804 | Circulation in annelida | segmented, pumping, closed | | 60 |
| 1168762805 | annelida metanephridia | part of the excretory system | | 61 |
| 1168762806 | nervous system in annelida | cerebral ganglia, subpharangeal ganglion, ventral nerve | | 62 |
| 1168762807 | ganglia | a cluster of neurons | | 63 |
| 1168762808 | classes within the phylum annelida | oligochaeta, polychaeta, hirudinea | | 64 |
| 1168762809 | class oligochaeta | in phylum annelida, earthworms and some aquatic species, no parapodia, few setae | | 65 |
| 1168762810 | in phylum annelida, earthworms and some aquatic species, no parapodia, few setae | class oligochaeta | | 66 |
| 1168762811 | class polychaeta | in phylum annelida, marine worms, many setae, parapodia | | 67 |
| 1168762812 | in phylum annelida, marine worms, many setae, parapodia | class polychaeta | | 68 |
| 1168762813 | class hirudinea | in phylum annelida, leeches | | 69 |
| 1168762814 | in phylum annelida, leeches | class hirudinea | | 70 |
| 1168762815 | setae | help with locomotion | | 71 |
| 1168762816 | help with locomotion | setae | | 72 |
| 1168762817 | parapodia | function as gills, filter feeders, and respiration | | 73 |
| 1168762818 | function as gills, filter feeders, and respiration | parapodia | | 74 |
| 1174943643 | Characteristics of the phylum arthropoda | protostomes, invertebrates. segmentation, exoskeleton, jointed appendages, cephalization, respiration, open circulatory system | | 75 |
| 1174943644 | protostomes, invertebrates. segmentation, exoskeleton, jointed appendages, cephalization, respiration, open circulatory system | characteristics of the phylum arthropoda | | 76 |
| 1174943645 | exoskeleton | helps them be successful in terrestrial environment | | 77 |
| 1174943646 | helps them be successful in terrestrial environment | exoskeleton | | 78 |
| 1174943647 | layers of exoskeleton | chitin: rigid. Cuticle: waxy to protect from water, located where muscles attach to help walk on land | | 79 |
| 1174943648 | chitin: rigid. Cuticle: waxy to protect from water, located where muscles attach to help walk on land | layers of exoskeleton | | 80 |
| 1174943649 | respiration of terrestrial arthropods | trachea | | 81 |
| 1174943650 | trachea | respiration of terrestrial arthropods | | 82 |
| 1174943651 | respiration of aquatic arthropods | gills | | 83 |
| 1174943652 | gills | respiration of aquatic arthropods | | 84 |
| 1174943654 | open circulatory system: hemolymph | fluid isn't enclosed, empties out into body cavity | | 85 |
| 1174943656 | fluid isn't enclosed, empties out into body cavity | open circulatory system: hemolymph | | 86 |
| 1174943658 | subphylum cheliceriformes | in phylum arthropoda, 1-2 segments, 6 pairs of appendages, terrestrial or marine | | 87 |
| 1174943659 | in phylum arthropoda, 1-2 segments, 6 pairs of appendages, terrestrial or marine | subphylum cheliceriformes | | 88 |
| 1174943660 | appendages of cheliceriformes and their purposes | chelicerae: feeding, pedipals: feeding and reproduction, 4 pairs of walking legs | | 89 |
| 1174943661 | chelicerae: feeding, pedipals: feeding and reproduction, 4 pairs of walking legs | appendages of cheliceriformes | | 90 |
| 1174943662 | species of cheliceriformes | horseshoe crabs, spiders, scorpions, ticks, mites | | 91 |
| 1174943663 | what subphylum are horseshoe crabs, spiders, scorpions, ticks, and mites in? | cheliceriformes | | 92 |
| 1174943664 | subphylum myriapoda | in phylum arthropoda, many segments, millipedes and centipedes | | 93 |
| 1174943665 | in phylum arthropoda, many segments, millipedes and centipedes | subphylum myriapoda | | 94 |
| 1174943666 | millipedes | herbivorous: eat dead organic matter. 2 leg pairs per segment | | 95 |
| 1174943667 | herbivorous: eat dead organic matter. 2 leg pairs per segment | millipedes | | 96 |
| 1174943668 | centipedes | carnivorous: faster, attack if provoked. 1 leg pair per segment | | 97 |
| 1174943669 | carnivorous: faster, attack if provoked. 1 leg pair per segment | centipedes | | 98 |
| 1174943670 | Subphylums of Arthropoda | cheliceriformes, myriapoda, hexapoda, crustacea | | 99 |
| 1174943671 | cheliceriformes, myriapoda, hexapoda, crustacea | subphylums of arthropoda | | 100 |
| 1174943672 | subphylum hexapoda | in phylum arthropoda. 3 segments, mostly terrestrial, wings, | | 101 |
| 1174943673 | in phylum arthropoda. 3 segments, mostly terrestrial, wings, | subphylum hexapoda | | 102 |
| 1174943674 | species of hexapoda | insects and springtails | | 103 |
| 1174943675 | insects and springtails | species of hexapoda | | 104 |
| 1174943676 | segments of hexapoda (3) | head/thorax/abdomen, antennae, modified mouthparts: chewing, sucking (mosquitos), lapping (flies) | | 105 |
| 1174943677 | head/thorax/abdomen, antennae, modified mouthparts: chewing, sucking (mosquitos), lapping (flies) | segments of hexapoda (3) | | 106 |
| 1174943678 | purpose of wings on hexapoda | to regulate temp, then modified for swimming, then for flight | | 107 |
| 1174943679 | subphylum crustacea | in phylum arthopoda. 2-3 segments, antennae, chewing mouthparts, 3+ jointed pairs of legs, mostly marine and freshwater | | 108 |
| 1174943680 | in phylum arthopoda. 2-3 segments, antennae, chewing mouthparts, 3+ jointed pairs of legs, mostly marine and freshwater | subphylum crustacea | | 109 |
| 1174943681 | characteristics of phylum echinoderms | deuterostomes, invertebrates, water vascular system with tube feet, endoskeleton, adult symmetry: secondary radial anatomy, larvae symmetry: bilateral | | 110 |
| 1174943682 | deuterostomes, invertebrates, water vascular system with tube feet, endoskeleton, adult symmetry: secondary radial anatomy, larvae symmetry: bilateral | characteristics of phylum echinoderms | | 111 |
| 1174943683 | what is the water vascular system with tube feet in echinoderms used for? | motion, feeding, and respiration. | | 112 |
| 1174943684 | used for motion, feeding, and respiration | water vascular system with tube feet in echinoderms | | 113 |
| 1174943685 | parts of tube feet | circular part: ampalla. skinny part: podium | | 114 |
| 1174943686 | chemicals released by podium that allow starfish to stay put | adhesive and dehesive | | 115 |
| 1174943687 | process of water vascular system | water goes into ampalla, ampalla contracts, water goes down podium and allows chemicals to be released by podium | | 116 |
| 1174943688 | key traits of phylum chordata | deuterostome, invertebrates. notochord, dorsal hollow nerve cord, pharyngeal slits/clefts, muscular post-anal tail | | 117 |
| 1174943689 | deuterostome, invertebrates. notochord, dorsal hollow nerve cord, pharyngeal slits/clefts, muscular post-anal tail | key traits of phylum chordata | | 118 |
| 1174943690 | notochord | longitudinal, hollow tube found between nerve cord and digestive system. offers skeletal support system | | 119 |
| 1174943691 | longitudinal, hollow tube found between nerve cord and digestive system. offers skeletal support system | notochord | | 120 |
| 1174943692 | dorsal hollow nerve cord | develops into central nervous system | | 121 |
| 1174943693 | develops into central nervous system | dorsal hollow nerve cord | | 122 |
| 1174943694 | pharyngeal slits or clefts | allow organisms to take in a lot of water but not pass through the digestive system. Important for respiration | | 123 |
| 1174943695 | allow organisms to take in a lot of water but not pass through the digestive system. Important for respiration | pharyngeal slits or clefts | | 124 |
| 1174943696 | subphylum lancelets | in phylum chordata, has all 4 chordate traits, blade-like shape, least similar to mammals | | 125 |
| 1174943697 | in phylum chordata, has all 4 chordate traits, blade-like shape, least similar to mammals | subphylum lancelets | | 126 |
| 1174943698 | subphylum tunicates | in phylum chordata. goes through metamorphosis: has all 4 traits as larvae, then only slits as adults. doesn't move. nervous system absorbed | | 127 |
| 1174943699 | in phylum chordata. goes through metamorphosis: has all 4 traits as larvae, then only slits as adults. doesn't move. nervous system absorbed | subphylum tunicates | | 128 |
| 1174943700 | class hagfish | in phylum chordata, are craniates, lack jaws and vertebrae, has slime glands | | 129 |
| 1174943701 | in phylum chordata, are craniates, lack jaws and vertebrae, has slime glands | class hagfish | | 130 |
| 1174943702 | slime glands | lines of dots that release slimy substrate as a defense mechanism | | 131 |
| 1174943703 | lines of dotes that release slimy substrate as a defense mechanism | slime glands | | 132 |
| 1174943704 | craniates | chordates that have a head | | 133 |
| 1174943705 | chordates that have a head | craniates | | 134 |
| 1174943706 | vertebrates | craniates that have a backbone | | 135 |
| 1174943707 | craniates that have a backbone | vertebrates | | 136 |
| 1174943708 | how to distinguish other chordata classes from hagfish: | more extensive skull and vertebrae backbone | | 137 |
| 1179218885 | class lampreys | chordates. jawless-parasitic. skeleton-cartilage, made of phosphorus and calcium. larvae looks similar to lancelet | | 138 |
| 1179218886 | chordates. jawless-parasitic. skeleton-cartilage, made of phosphorus and calcium. larvae looks similar to lancelet | class lampreys | | 139 |
| 1179218887 | gnathostomes | vertebrates that have jaws | | 140 |
| 1179218888 | vertebrates that have jaws | gnathostomes | | 141 |
| 1179218889 | theory of jaw formation | 2 pairs of skeletal rods that slowly incorporated into the skull | | 142 |
| 1179218890 | classes that are gnathostomes | chondrichthyans, ray-finned fish, lobe-fin fish, amphibians, reptiles and birds, mammals | | 143 |
| 1179218891 | class chondrichthyans | skeleton is predominately cartilage. have nostrils for olfactory senses. can detect electrical current and muscle contracts. have good eyes for shape/size but not color | | 144 |
| 1179218892 | skeleton is predominately cartilage. have nostrils for olfactory senses. can detect electrical current and muscle contracts. have good eyes for shape/size but not color | class chondrichthyans | | 145 |
| 1179218893 | species of chondrichthyans | sharks, rays, skates. (largest sharks and rays are filter feeders.) | | 146 |
| 1179218894 | class ray-finned fish | Familiar fish that have fins with bony rays. Have a swim bladder which allows it to change its boincy (move up and down). evolutionary homology to lungs. | | 147 |
| 1179218895 | Familiar fish that have fins with bony rays. Have a swim bladder which allows it to change its boincy (move up and down). evolutionary homology to lungs. | class ray-finned fish | | 148 |
| 1179218896 | class lobe-fins | less common. rod-shaped bones and thick layer of muscle | | 149 |
| 1179218897 | less common. rod-shaped bones and thick layer of muscle | class lobe-fins | | 150 |
| 1179218898 | orders of lobe-fins | coelacanths and lungfish | | 151 |
| 1179218899 | coelacanths and lungfish | orders of lobe-fins | | 152 |
| 1179218900 | tetrapods | gnathostomes that have 4 limbs ("four feet"). (also have a neck and no gill slits) | | 153 |
| 1179218901 | gnathostomes that have limbs ("four feet"). (also have a neck and no gill slits) | tetrapods | | 154 |
| 1179218902 | class amphibians | require water as larvae, are somewhat terrestrial as an adult. moist skin. external fertilization. egg doesn't have a shell. no parental care in most cases | | 155 |
| 1179218903 | require water as larvae, are somewhat terrestrial as an adult. moist skin. external fertilization. egg doesn't have a shell. no parental care in most cases | class amphibians | | 156 |
| 1179218904 | species of amphibians | frogs/toads, salamanders/newts, caecilians | | 157 |
| 1179218905 | amniotes | tetrapods that have a terrestrially adapted egg | | 158 |
| 1179218906 | tetrapods that have a terrestrially adapted egg | amniotes | | 159 |
| 1179218907 | parts of the amitotic egg | embryo, chorion, amnion, allantois, yolk sac | | 160 |
| 1179218908 | chorion | allows for gas exchange | | 161 |
| 1179218909 | allows for gas exchange | chorion | | 162 |
| 1179218910 | amnion | filled with fluid that acts as a shock absorber | | 163 |
| 1179218911 | filled with fluid that acts as a shock absorber | amnion | | 164 |
| 1179218912 | allantois | stores waste | | 165 |
| 1179218913 | stores waste | allantois | | 166 |
| 1179218914 | yolk sac | supplies nutrients to embryo | | 167 |
| 1179218915 | supplies nutrients to embryo | yolk sac | | 168 |
| 1179218916 | clade reptiles (lizards, snakes, turtles, crocodilian) | scales, internal fertilization, ectothermic | | 169 |
| 1179218917 | scales, internal fertilization, ectothermic | clade reptiles (lizards, snakes, turtles, crocodilian) | | 170 |
| 1179218918 | purpose of scales on reptiles | prevents water loss. protection from abrasion. | | 171 |
| 1179218919 | ectothermic | relies on external environment to manage heat and regulate temperature | | 172 |
| 1179218920 | relies on external environment to manage heat and regulate temperature | ectothermic | | 173 |
| 1179218921 | endothermic | internal temperature control, use own metabolic heat | | 174 |
| 1179218922 | internal temperature control, use own metabolic heat | endothermic | | 175 |
| 1179218923 | clade reptiles (birds-class aves) | no urinary bladder or teeth to make them lighter. feathers for temp regulation and flight. endothermic | | 176 |
| 1179218924 | mammals | amniotes that produce milk. have mammary glands and hair. are endothermic | | 177 |
| 1179218925 | no urinary bladder or teeth to make them lighter. feathers for temp regulation and flight. endothermic | clade reptiles (birds-class aves) | | 178 |
| 1179218926 | amniotes that have hair and produce milk. have mammary glands and hair. are endothermic | mammals | | 179 |
| 1179218927 | orders of mammals | monotremata, marsupialia, sirenia, carnivora, rodentia, primates | | 180 |
| 1179218928 | monotremata, marsupialia, sirenia, carnivora, rodentia, primates | orders of mammals | | 181 |
| 1179218929 | order monotremata | lays eggs. no nipples. platypuses and echidna | | 182 |
| 1179218930 | lays eggs. no nipples. platypuses and echidna | order monotremata | | 183 |
| 1179218931 | order marsupialia | embryo development to mom's pouch because young are very underdeveloped. kangaroos, opossums, koalas | | 184 |
| 1179218932 | embryo development to mom's pouch because young are very underdeveloped. kangaroos, opossums, koalas | order marsupialia | | 185 |
| 1179218933 | order sirenia | aquatic. finlike forelimbs. no hindlimbs. herbivores. manatees and dugongs | | 186 |
| 1179218934 | aquatic. finlike forelimbs. no hindlimbs. herbivores. manatees and dugongs | order sirenia | | 187 |
| 1179218935 | order carnivora | carnivorous (mostly). pointed canine teeth. wolves, bears, cats, otters, walruses | | 188 |
| 1179218936 | carnivorous (mostly). pointed canine teeth. wolves, bears, cats, otters, walruses | order carnivora | | 189 |
| 1179218937 | order rodentia | incisors are chisel-like and continuously growing. herbivorous. beavers, rats, woodchucks | | 190 |
| 1179218938 | incisors are chisel-like and continuously growing. herbivorous. beavers, rats, woodchucks | order rodentia | | 191 |
| 1179218939 | order primates | opposable thumbs. forward facing eyes. well-developed brain. omnivorous. lemurs, monkeys, chimpanzees, gorillas, humans | | 192 |
| 1179218940 | opposable thumbs. forward facing eyes. well-developed brain. omnivorous. lemurs, monkeys, chimpanzees, gorillas, humans | order primates | | 193 |