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| 2713602826 | What are the six pairs of appendages of Archnids? | Archnids have six pairs of appendages: the chelicerae, the pedipalps, and four pairs of walking legs | 0 | |
| 2713605059 | What is the respiratory organ of spiders called? | Gas exchange in spiders occurs in respiratory organs called book lungs | 1 | |
| 2713606468 | What does many spiders produce? | many spiders produce silk, a liquid protein, from specialized abdominal glands | 2 | |
| 2713607893 | What does clade Myriapoda includes? | The clade Myriapoda includes millipedes and centipedes | 3 | |
| 2713610281 | Are myriapods terrestrial? | Yes, all living myriapods are very terrestrial | 4 | |
| 2713615195 | What is modified as mouthparts for myriapods? | they have a pair of antennae and three pairs of appendages modified as mouthparts | 5 | |
| 2713616475 | What does millipedes eat? | Millipedes are herbivorous and eat decaying leaves and plant matter | 6 | |
| 2713638152 | How many pair of legs per trunk does millipedes have? | they have many legs, with two pairs per trunk segment | 7 | |
| 2713641694 | What is the food source of centipedes | Centipedes are carnivores meaning they are meat eater | 8 | |
| 2713751842 | How many pair of legs per trunk does centipedes have? | Centipedes have one pair of legs per trunk segment | 9 | |
| 2713755222 | How do centipedes captures their prey | Poison claws on the foremost trunk segment paralyze prey and aid in defense | 10 | |
| 2713756974 | Habitat of Crustaceans | Crustaceans live in marine and freshwater environments | 11 | |
| 2713784311 | How do Crustaceans exchange gases? | Small crustaceans exchange gases through the cuticle; large crustaceans have gills | 12 | |
| 2713794781 | Isopods includes what and name a well-known group? | Isopods include terrestrial, freshwater, and marine species Pill bugs are a well-known group of trrestrial isopods | 13 | |
| 2713798750 | What does decapods crustaceans include? | Decapods are all relatively large crustaceans and include lobsters, crabs, crayfish, and shrimp | 14 | |
| 2713804865 | What does planktonic crustaceans include? | Planktonic crustaceans include many species of copepods, which are among the most numerous of all animals | 15 | |
| 2713823297 | Are Barnacles sessile? | Yes, barnacles are a group of mostly sessile crustaceans | 16 | |
| 2713827765 | What is the hardened shell made of? | they have a cuticle that is hardened into a calcium carbonate shell | 17 | |
| 2713840468 | Which clade includes insects and their relatives? | Hexapoda | 18 | |
| 2714087044 | What does the internal anatomy of an insect includes? | The internal anatomy of an insect includes several complex organ systems | 19 | |
| 2717236976 | Fig 33.38 |  | 20 | |
| 2714092283 | What is the one key to the great success of insects and what are its advantages? | flight (flying) an animal that can fly can escape predators, find food, and disperse to new habitats much faster than organisms that can only crawl. Insect wings are an extension of the cuticle | 21 | |
| 2714113521 | What does insects have to undergo during their development? | Many insects undergo metamorphosis during their development | 22 | |
| 2714132410 | What happens during an incomplete metamorphosis? | In incomplete metamorphosis, the young, called nymphs, resemble adults but are smaller and go through a series of molts until they reach full size | 23 | |
| 2714150773 | What is complete metamorphosis? | Insects with complete metamorphosis have larval stages known by such names as maggot, grub, or caterpillar The larval stage looks entirely different from the adult stage | 24 | |
| 2714187785 | How do insects reproduce? | most insects have separate males and females and reproduce sexually Individuals find and recognize members of their own species by bright colors, sound, or ordors | 25 | |
| 2714206711 | How are insects beneficial and harmful to humans? | Some insects are beneficial as pollinators, while others are harmful as carriers of diseases, or pests of crops | 26 | |
| 2714209399 | How many orders are insects classified into? | Insects are classified into more than 30 orders | 27 | |
| 2717240955 | Fig 33.41 |  | 28 | |
| 2714234677 | What clade does Echinoderms and chordates constitute? | Echinoderms and chordates are deuterostomes | 29 | |
| 2714235466 | What does phylum Echinodermata includes? | Echinoderms (phylum Echinodermata) include sea stars and sea urchins | 30 | |
| 2714236877 | What does phylum Chordata includes? | Chordates (phylum Chordata) include the vertebrates | 31 | |
| 2714247377 | What characteristics does deuterostomes share? | Deuterostomes share developmental characteristics Radial cleavage Formation of the anus from the blastopore However, some other animals also share these developmental charasteristics | 32 | |
| 2714252066 | What are deuterostomes primarily defined by? | Deuterostomes are defined primarily by DNA similarities | 33 | |
| 2714268122 | How do echinoderms move? | Sea stars and most other echinoderms are slow-moving or sessile marine animals | 34 | |
| 2714282520 | What cover the endoskeleton? | A thin epidermis covers an endoskeleton of hard calcareous plates | 35 | |
| 2714286416 | How do echinoderms feed and move? | Echinoderms have a unique water vascular system, a network of hydraulic canals branching into tube feet that functions in locomotion and feeding | 36 | |
| 2714288336 | How do echinoderms reproduce? | Males and females are usually separate, and sexual reproduction is external | 37 | |
| 2714306611 | What kind of symmetry does echinoderms have? | Most adult echinoderms have radial symmetry with multiples of five. Echinoderm larvae have bilateral symmetry | 38 | |
| 2717242539 | Fig 33.42 |  | 39 | |
| 2714314228 | What does phylum chordata consists of? | Phylum Chordata consists of two basal groups of invertebrates as well as vertebrates | 40 | |
| 2714327584 | How is chordates bodies planed? | Chordates are bilaterally symmetrical coelomates with segmented bodies | 41 | |
| 2716140165 | What are the five clades of echinoderms? | Living echinoderms are divided into five clades Asteroidea (sea stars and sea daisies) Ophiuroidea (brittle stars) Echinoidea (sea urchins and sand dollars) Crinoidea (sea lilies and feather stars) Holothuroidea (sea cucumbers) | 42 | |
| 2716207484 | Where does sea stars radiate from? | Sea stars have multiple arms radiating from a central disk the under-surface of each arm bears tube feet, which grip substrate with adhesive chemicals | 43 | |
| 2716231842 | What do sea stars feed on? | Sea stars feed on bivalves by prying them open with their tube feet, everting their stomach, and digesting their prey externally with digestive enzymes | 44 | |
| 2716246372 | Can sea stars regrow lost arms? | Yes, sea stars can regrow lost arms as long as they have some part of central disk with that arm | 45 | |
| 2716247507 | What are sea daisies? | Sea daisies are a group of armless species in hte clade Asteroidea | 46 | |
| 2716255500 | How many sea daisies species are known? | only three species are known | 47 | |
| 2716257787 | Sea daisies live on what and how do they get their nutrients? | sea daisies live on submerged wood and absorb nutrients through a membrane that surrounds their body | 48 | |
| 2716260336 | Describe brittle stars body plan? | Brittle stars have a distinct central disk and long, flexible arms, which they use for movement | 49 | |
| 2716276373 | How do brittle stars feed? | some species are suspension feeders, while others are predators or scavengers | 50 | |
| 2716287563 | Do Sea urchins and sand dollars have any arms? | No, sea urchins and sand dollars have no arms but have five rows of feet | 51 | |
| 2716291389 | What are echinoidea spines used for? | their spines are used for locomotion and protection | 52 | |
| 2716296618 | What do sea urchins feed on? | sea urchins feed on seaweed using a jaw-like structure on their underside | 53 | |
| 2716319430 | What do sea lilies attach to? | sea lilies live attached to the substrate by a stalk | 54 | |
| 2716322084 | How do feather stars crawl? | Feather stars can crawl using long, flexible arms | 55 | |
| 2716324915 | How do crinoides feed? | Both are suspension feeders | 56 | |
| 2716328249 | Holothuroidea: Sea Cucumbers | Sea cucumbers lack spines, have a very reduced endoskeleton, and do not look much like other echinoderms, they have five rows of tube feet; some of these are developed as feeding tentacles | 57 | |
| 2717243162 | Fig 33.UNO8 |  | 58 |
