Flashcards for invertebrates quiz~
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| 286051324 | types of symmetry | asymmetrical, radial, bilateral | 0 | |
| 286055963 | asymmetrical | no symmetry | 1 | |
| 286051325 | radial symmetry | when multiple imaginary planes could cut the image into equal halves | 2 | |
| 286055964 | bilateral symmetry | when only one imaginary plane could cut the image into equal halves | 3 | |
| 286055965 | First category is called... | porifera | 4 | |
| 286055966 | Porifera have ... (way to remember porifera) | porifera = pores, so porifera have pores | 5 | |
| 286055967 | Porifera are... | sponges | 6 | |
| 286055968 | Type of symmetry of porifera (sponges) | asymmetrical | 7 | |
| 286055969 | How porifera gain nutrients | filter feed | 8 | |
| 286055970 | How is water able to flow in and out through porifera pores? | flagellated cells create water current | 9 | |
| 286057177 | How do porifera respire? | by diffusion | 10 | |
| 286057178 | What is the skeleton of porifera made of? | Spicules (hard crystals) or spongin (protein) | 11 | |
| 286057179 | What are spicules? | hard crystals that make up the skeleton of porifera | 12 | |
| 286057180 | What are spongin? | protein that make up the skeleton of porifera | 13 | |
| 286063934 | How many cell layers do porifera have? | 2 cell layers | 14 | |
| 286063935 | Do sponges have a body cavity (coelomates)? | No | 15 | |
| 286074693 | --- | --- | 16 | |
| 286063936 | Second category is called... | cnidaria | 17 | |
| 286063937 | Types of cnidaria are... | jellyfish, sea anemones, hydras, and coral | 18 | |
| 286063938 | What type of symmetry do cnidarians have? | radial symmetry | 19 | |
| 286063939 | "Structure" that all cnidaria have | tentacles | 20 | |
| 286063940 | Besides from tentacles, what do all cnidarians have? | cnidocytes (specialized stinging cells) | 21 | |
| 286063941 | What are cnidocytes? | specialized stinging cells | 22 | |
| 286063942 | What structures does each cnidocyte contain? | nematocyst | 23 | |
| 286063943 | What is a nematocyst? | a poison filled stinging structure in each cnidocyte | 24 | |
| 286065525 | How many cell layers do cnidarians have? | two | 25 | |
| 286065526 | What are the cell layers of cnidarians filled by? | gelatinous mesoglea | 26 | |
| 286065527 | How are respiration, circulation, and excretion done in cnidarians? | diffusion | 27 | |
| 286068468 | Cnidarians are ___ in terms of feeding | carnivorous | 28 | |
| 286068469 | How do cnidarians feed? | sting prey with nematocyst which paralyzes prey | 29 | |
| 286068470 | How many body forms do cnidarians have? | 2 | 30 | |
| 286068471 | What are the body forms of cnidarians? | medusa and polyp | 31 | |
| 286068472 | What is a medusa? | One of the two body forms of a cnidarian; tentacles DOWN | 32 | |
| 286068473 | What is a polyp? | One of the two body forms of a cnidarian; tentacles UP | 33 | |
| 286074694 | --- | --- | 34 | |
| 286074695 | Third category is called... | Platyhelminthes | 35 | |
| 286074696 | Another name for a Platyhelminthes is ... | a flatworm | 36 | |
| 286074697 | types of platyhelminthes/flatworms | free-living, flukes, tapeworms; (types can be free-living or parasitic) | 37 | |
| 286074698 | How many layers do platyhelminthes/flatworms have? | 3 | 38 | |
| 286074699 | Do platyhelminthes/flatworms have a body cavity? | No, they are 3 layered acoelomates (no body cavity) | 39 | |
| 286074700 | What symmetry do platyhelminthes/flatworms have? | bilateral | 40 | |
| 286074701 | platyhelminthes/flatworms are the first to have a distinct... | head (cephalization) | 41 | |
| 286085210 | What are circulation, respiration, and excretion typically done by? | Diffusion | 42 | |
| 286085211 | How do free living platyhelminthes/flatworms gain nutrients? | consume food | 43 | |
| 286085212 | How do parasitic platyhelminthes/flatworms gain nutrients? | diffusion | 44 | |
| 286085213 | platyhelminthes/flatworms gender... | free-living have separate sexes | 45 | |
| 286085214 | Parasites have a complex... | life cycle | 46 | |
| 286085215 | What is the first group to have a more complex life-cycle? | platyhelminthes/flatworms (parasitic) | 47 | |
| 286085216 | --- | --- | 48 | |
| 286085217 | Fourth category is called... | nematoda | 49 | |
| 286085218 | Another name for nematoda is... | round worms | 50 | |
| 286085219 | Nematoda/roundworms can be ___ and ___. | free-living and parasitic | 51 | |
| 286085220 | How many layers to nematoda/roundworms have? | 3 (with false body cavity) | 52 | |
| 286085221 | Do nematoda/roundworms have a body cavity? | They are pseudocoelomates, meaning they have a false body cavity (cavity filled with fluid). | 53 | |
| 286085222 | What is the first category to have a body cavity? | nematoda/roundworms... but it is false/falled with fluid (pseudocoelomates) | 54 | |
| 286085223 | What is the first category to have a complete digestive tract? | nematoda/roundworms | 55 | |
| 286091737 | nematoda/roundworms have a complete ____ with a ___ and ___. | digestive tract with a mouth and anus (free living) | 56 | |
| 286091738 | Respiration, circulation, and excretion are done by... | diffusion | 57 | |
| 286091739 | nematoda/roundworms reproduce... | sexually | 58 | |
| 286091740 | nematoda/roundworms gender... | separate sexes | 59 | |
| 286091741 | How do nematoda/roundworms move? | muscles working against the fluid filled body cavity (hydrostatic skeleton) | 60 | |
| 286091742 | How big are nematoda/roundworms? | Range in size from microscopic to a mete in length | 61 | |
| 286094813 | --- | --- | 62 | |
| 286094814 | Fifth category is... | annelida | 63 | |
| 286094815 | Another name for annelida is... | segmented worms | 64 | |
| 286094816 | Examples of annelida are... | earthworms, leaches, and marine worms | 65 | |
| 286094817 | Do annelida have a body cavity? | Yes, they are true coelomates (have organs in a body cavity) | 66 | |
| 286094818 | What is the first category to be true coelomates? | Annelida | 67 | |
| 286095851 | Digestive system... | most have a complete digestive system | 68 | |
| 286115749 | Annelida/segmented worms are ___ or ___, while a few are ____ (in terms of eating) | decomposers or carnivorous, while a few are filter feeders | 69 | |
| 286142310 | What type of circulatory system do annelida/segmented worms have? | closed (blood contained in vessels) | 70 | |
| 286142311 | What is the first category to have a closed circulatory system? | annelida/segmented worms | 71 | |
| 286142312 | How do terrestrail (land) annelida/segmented worms respire? | diffusion | 72 | |
| 286142313 | How do aquatic annelids respire? | primitive gills | 73 | |
| 286142314 | annelida/segmented worms gender... | some show separate sexes while the earthworms and hermaphroditic | 74 | |
| 286142315 | Leaches... | external parasites and suck blood/body fluids from their host | 75 | |
| 286142316 | How do earthworms feed? | eat soil to obtain nutrients from the organic material in the soil | 76 | |
| 286142317 | --- | --- | 77 | |
| 286142318 | sixth category is called... | mollusca | 78 | |
| 286142319 | Examples of mollusca are... | snails, clams, and squids | 79 | |
| 286142320 | Do mollusks have body cavities? | Yes, they are true coelomates | 80 | |
| 286142321 | Mollusks have a ____ body with ____ | soft body with an internal or external shell | 81 | |
| 286142322 | How many body parts to mollusks have? | four | 82 | |
| 286142323 | What are the four body parts of a mollusk? | muscular foot, mantle (thin layer of cells that cover the body), visceral mass (internal organs), and shell (secreted by the mantle) | 83 | |
| 286142324 | What is a mantle? | A thin layer of cells that cover the body of a mollusk | 84 | |
| 286142325 | What is a visceral mass? | internal organs | 85 | |
| 286142326 | What is a shell of a mollusk secreted by? | the mantle | 86 | |
| 286142327 | How to mollusks respire? | Aquatic = use gills Few terrestrial snails = primitive lung | 87 | |
| 286142328 | What helps mollusks feed? | radula | 88 | |
| 286142329 | What is a radula? | a tool used for feeding by mollusks | 89 | |
| 286142330 | How do different mollusks use their radula? | snails = scrape algae, squids = pierce object to kill their prey | 90 | |
| 286142331 | What are the three classes of mollusks? | bivalves, gastropods, and cephalopods | 91 | |
| 286142332 | What are bivalves and what are examples of them? | Filter feeders with two shells; clams and oysters | 92 | |
| 286142333 | What are gastropods and what are examples of them? | Algae grazers and herbivores; snails and slugs | 93 | |
| 286142334 | What are cephalopods and what are examples of them? | carnivorous mollusks with a well developed nervous system; octopus and squids | 94 | |
| 286143672 | What is the first category with a well developed nervous system? | cephalopods (mollusks) | 95 | |
| 286158614 | --- | --- | 96 | |
| 286158615 | What is the seventh category? | arthropods | 97 | |
| 286158616 | Arthropods are known as such because they have ___ ____. | jointed appendages | 98 | |
| 286158617 | Arthropods include... | crabs, spiders, insects, and centipedes | 99 | |
| 286158618 | Do arthropods have a body cavity? | Yes, they are true coelomates | 100 | |
| 286158619 | What type of skeleton do arthropods have? | exoskeleton | 101 | |
| 286158620 | What are arthropod's exoskeletons made of? | chitin | 102 | |
| 286158621 | How do arthropods grow? | They molt their old exoskeleton and make a new one | 103 | |
| 286158622 | Arthropods have ___ bodies. | segmented (number of segments depends on the type of arthropod) | 104 | |
| 286158623 | How to arthropods feed (type)? | can be herbivores, carnivores, omnivores, decomposers, and parasitic | 105 | |
| 286158624 | How to arthropods respire? | tracheal tubes to the tissues, book lungs, or gills | 106 | |
| 286158625 | Circulation in arthropods... | combination of vessels, hearts, and an open system that baths the organs | 107 | |
| 286158626 | How many classes of arthropods are there? | five | 108 | |
| 286166205 | What are the classes of arthropods? | crustaceans, chelicerae, centipedes, millipedes, and insecta | 109 | |
| 286166206 | What are crustaceans and what is special about them? | lobsters, crabs, crayfish, shrimp; most are aquatic | 110 | |
| 286166207 | What are chelicerae and what is special about them? | spiders, horseshoe crab, mites, ticks, and scorpions; specialized piercing mouth parts | 111 | |
| 286166208 | What are centipedes and what is special about their diet? | arthropods with many segments with one pair of legs per segment; carnivorous | 112 | |
| 286166209 | What are millipedes and what is special about their diet? | arthropods with many segments with two pair of legs per segment; decomposers | 113 | |
| 286166210 | What are insecta? | arthropods with a wide variety of adaptations for feeding, ability to fly, and metamorphosis | 114 | |
| 286170907 | --- | --- | 115 | |
| 286170908 | What is the eighth category? | echinodermata | 116 | |
| 286170909 | What are examples of echinoderms? | sea stars, sea urchins, sand dollars, brittle stars, and sea cucumbers | 117 | |
| 286170910 | Do echinoderms have a body cavity? | Yes, they are true coelomates | 118 | |
| 286170911 | How do echinoderms move and respire? | with their water vascular system with tube feet | 119 | |
| 286170912 | How do echinoderms feed? | sea urchins = grazers sea cucumbers are decomposers sea stars are carnivorous | 120 | |
| 286170913 | How to echinoderms excrete waste? | diffusion into the water | 121 | |
| 286170914 | What do echinoderms do for circulation? | water vascular system | 122 | |
| 286170915 | Do echinoderms have a skeleton? | Yes, called a test | 123 | |
| 286170916 | What is an echinoderm's skeleton called? | a "test" | 124 | |
| 286170917 | What symmetry do echinoderms have? | five part radial symmetry | 125 | |
| 286173972 | --- | --- | 126 | |
| 286173973 | What are the eight categories (in order) | 1) porifera 2) cnidaria 3) platyhelminthes 4) nematoda 5) annelida 6) mollusca 7) arthropods 8) echinodermata | 127 |
