Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Adv. Bio Semester II
Spring Semester EXAM: Review Activity
| Question | Answer |
|---|---|
| Animal subkingdom without symmetry or true tissues | Parazoa |
| Animal subkingdom with definite symmetry and true tissues | Eumetazoa |
| Over the course of animal evolution, the animal ___ has undergone many changes, five of them being significant | Body form |
| Phylum porifera | Sponges |
| Simplest bilaterally symmetrical animals | Flatworms |
| The use of ___ will most likely generate changes to traditional animal phylogenies | Molecular data |
| Other than Radiata, eumetazoans are ___ | triploblastic |
| The class of cnidarians that lacks a medusa stage | Anthozoa |
| The nervous system of most flatworms can be correctly described as (a) ___ | Nerve ladder |
| Largest phylum of pseudocoelomates | Nematoda |
| Stings from a ___ may be fatal | Nematocyst |
| Sponges tend to reproduce ___ | Sexually |
| Cnidarians do not have true ___ | Internal organs |
| Tapeworms attach to the digestive lining of the host by means of their ___ | Scolex |
| The planulae of ___ develop only into polyps | Anthozoa |
| ___ have a one-way digestive system. | Ctenophorans |
| The phylum of the simplest animal to have a blood filled circulatory system | Nemertea |
| The phylum of the simplest animals to possess a complete digestive system | Nemertea |
| Outer covering and nervous systems of eumetazoans develop from the ___ | Ectoderm |
| The digestive system (guts) of eumetazoans develop from the ___ | Endoderm |
| Cnidarians have ___ symmetry | Radial |
| Key evolutionary advances of the solid worms are bilateral symmetry and... | Internal organs |
| 99% of all animals | Invertebrates |
| A body design marked by right and left mirror images | Bilateral |
| Animal eggs | Nonmotile |
| Animal sperm cells | Flagellated |
| Body parts arranged around a central axis | Radial |
| Collections of cells that have joined together and are specialized to perform a specific function | Tissues |
| Composed of many cells, each specialized for a specific purpose | Multicellular |
| Definite head and brain area | Cephalization |
| Heterotrophs depend upon this group, either directly or indirectly | Autotrophs |
| Hollow ball of cells during embryonic development | Blastula |
| Most animals reproduce by means of ___ reproduction | Sexual |
| Network of vessels that carries fluid to parts of the body | Circulatory system |
| Remarkable form of movement unique to animals | Flight |
| Series of mitotic divisions during embryonic development | Cleavage |
| Solid ball of cells during embryonic development | Morula |
| A cnidocyte is used for | Capturing food |
| Repeating units of the body of a tapeworm | Proglottids |
| Long muscular tube found on nemerteans | Probiscus |
| Protonephridia found in flatworms | Flame cells |
| Peritoneum that forms a double layer of tissue surrounding and anchoring the digestive tract and associated organs | Mesentery |
| Sexually, most flatworms are ___ | Hermaphroditic |
| Of the eumatazoans, these organisms were the most recently discovered | Cycliophora |
| Scyphozoan are called jellyfish because of their ___ | Mesoglea |
| Water taken in through the pores in sponges exits through the | Osculum |
| Infective stage of the liver fluke, in humans, is the ___ | Metacercaria |
| Parasite that infects people who consume undercooked pork | Trichinella |
| Cnidarian larvae | Planulae |
| ___ are found in flatworms and used in excretion | Flame cells |
| "Wheel animals" | Rotifera |
| Blastopore develops into anus with the mouth developing at the other end | Deuterostome |
| Blastopore develops into the mouth with the anus developing at the other end | Protostome |
| Contain a complete set of instructions for an adult individual in each cell | Deuterostome |
| Each cell contains instructions for a specific "piece" of an organism | Protostome |
| An advantage to ___ is that damage to one area is not fatal | Segmentation |
| ___ are structurally unique because they completely lack cilia and flagella | Nematodes |
| Have an internal flexible rod, the first stage of the evolution of a truly internal skeleton | Chordates |
| Thought to resemble the ancestors of vertebrates | Lancelets |
| Internal bony framework | Endoskeleton |
| Encases the spinal cord of vertebrates | Vertebral column |
| Encases the brain of chordates | Skull |
| Over half of all vertebrate species are ___ | Fish |
| Deuterostome coelomates whose nearest relations in the animal kingdom are the echinoderms | Chordates |
| 4 features which characterize chordates: single/hollow nerve cord, ___, postanal tail and pharyngeal slits | Notochord |
| In terrestrial vertebrates, pharyngeal ___ are found. | Pouches |
| In chordates, ___ are arranged in segmented blocks that affect the basic organization of the body | Muscles |
| ___ are a group of marine animals that are sessile and have no major body cavities or signs of segmentation | Tunicates |
| Tunicates "tunic" is composed of ___ | Cellulose |
| Molecular systematists support the hypothesis that ___ are vertebrates closest ancestors | Lancelets |
| Chordates with a spinal column | Vertebrates |
| Group of embryonic cells contributing to development of many vertebrate structures | Neural crest |
| The first vertebrates evolved in the ___ | Oceans |
| First vertebrates to invade land | Amphibians |
| Amphibians next gave rise to the scaled ___ | Reptiles |
| Bony fish | Osteichthyes |
| Land-dwelling, four-limbed animals | Tetrapods |
| Amphibians are viewed as being ___ organisms | Transitional |
| Story of vertebrates began in the ___ period | Cambrian |
| By the end of the ___ period, fish had developed primitive fins | Ordavician |
| Jaws evolved from ___ | Anterior gill arches |
| Armored fish | Placoderms |
| Spiny fish | Acanthodians |
| Major factor responsible for the replacement of primitive fish by sharks and bony fish | Superior design for swimming |
| Shark class... | Chondrichthyes |
| Sharks were among the first vertebrates to develop ___ | Teeth |
| Shark eggs are fertilized ___ and pups are born alive. | Internally |
| There are ___ species of sharks in existence today | 275 |
| Replacement of cartilage by bone | Ossification |
| Gas filled sac used to regulate buoyancy | Swim bladder |
| Series of sensory organs that project into a canal under the skin and allow fish to sense movement | Lateral line |
| Operculum | Gill cover |
| Amphibian means... | Both lives |
| Scientists who study fossils | Paleontologist |
| Amphibians most likely evolved from ___ fish, specifically. | Lobed-fin |
| Breathing across skin | Cutaneous respiration |
| Abrupt change in body form | Metamorphosis |
| Obtain heat from external sources | Ectothermic |
| Generate heat internally | Endothermic |
| Maintain constant body temperature | Homeothermic |
| Have a body temperature that fluctuates with ambient temperature | Poikilothermic |
| Only four groups of animals have evolved the ability to ___, a characteristic of only the animal kingdom | Fly |
| The feather was most developed from ___ | Reptilian scales |
| Modern birds lack ___ and have only vestigial tails. | Teeth |
| Mammals are distinguished from all other classes of vertebrates by two fundamental characteristics: hair and ___ | Mammary glands |
| Among mammals, only ___ lay shelled eggs | Monotremes |
| In marsupials, a fertilized egg is surrounded by ___ and an amniotic membrane | Chorion |
Created by:
SavannahElkins
Popular Biology sets