Animal Bio Exam.

Terms	Definitions
Snails are often an intermediate host of Schistosoma Japonicum	True
The ventral blood vessel can be seen through he cuticle and epidermis of an earthworm	False
Planula are larval forms of molluscs	False
The radula is only found in snails and slugs	false
the cercaria are a stage in the life cycle of a liver fluke	true
a typical fluke has a scolex and a large group of proglottids that make up the stobila	false
the larger the proglottids are, the more mature they are	true
the gastrozooids are the reproductive structures of an obelia colony	false
zooanthellae are dinoflagellates that live in the epidermis of sea anemones	false
most cnidarians are "k" selected	true
the organ in an annelid that acts to break down amino acids and convert excess carbohydrates into glycogen and fat is the	chloragogen tissue
the digestive system of an earthworm includes two sac-like structures the storage facility known as the ___ and the grinding organ known as the _____	Crop, Gizzard
the bristles on the ventral surfaces of earthworms for gripping are known as	setae
when water is confined to a cavity of the body and against which elements of the body wall act it is known as an	hydrostatic skeleton
nematocysts lining hte tentacles bring in foods to the ____ where digestion occurs	gastrovascular cavity
the asexual stage of a typical cnidarian is the ___ stage	polyp
The most developed eyes of molluscs are found in organisms in the class	cephaopoda
the food handling structures of clams to guide food into the mouth are	palps
the life cycle of the ___ include raw fish	chinese liver flukes
the turbellarians have which of the following muscles	longitutinal, circular, oblique
___is the outer covering of a platyhelminth	Tegument
___ refers to the number of germ layers in platyhelminthes	triploblastic
___ refers to the fecal material released on the head of certain molluscs	Fouling
___ circulatory systems refer to those that circulate blood or hemolymph into hemocoels or cavities rather than specific organs	open
cephalopods are	dioecious
larval forms of cnidarians	planula
stinging cell is a characteristic missing in the phylum	cteophora
___is accomplished in the segmented worms with internal septa	Metamerism
the ___ layer is responsible for pearl formation	nacreous
waste removal in annelids is accomplished through structures called	metanephridia
Polychaeta	Class of the marine worms
Annelida	phylum of the segmented worms
oligochaeta	class of the earthworms
ctenophora	phylum of the sea walnuts
hirudina	class of the leeches
hydrozoans	solitary or colonial asexual polyps and sexual medusae
scyphozoa	solitary, polyp stage sometimes reduced or absent, bell shaped medusae
staurozoa	solitary, polyps only, medusa absent
cubozoa	solitary, polyp stage reduced bell shaped medusae square in cross section
anthozoa	all polyps, no medusae
Turbellaria	free living flattworms
trematoda	class of the digenic flukes
monogenea	class of monogenetic flukes
Cestoda	Class of the tapeworms
Platyhelminthes	class of flat worms
polyplacophora	class of chitons
scaphopoda	Class of the tusk shells or tooth shells
gastropoda	class of snails, slugs, sea hares
pelecyopda	class of bivalved molluscs including clams, mussels, scallops, oysters
cephalopoda	class of the squids, octopuses, nautiluses, and cuttlefish
Phylum Porifera includes: Trichonymphs, Dinoflagellates, and Paramecia	False
Achaeocytes are amebocytes that move through the mesophyl of sponges	True
The order of complexity in sponge structure from most simple to most advanced is this" syconoid, leuconoid, and then asconioid	false
the type of pseudopods exemplified by actinosphareium are known as axopodium	true
the series of longitudinal microtubules just below the plasma membrance that help stiffen the membrance found in most ciliates is a pellicle	true
the voyage of the HMS labrador is known worldwide as charles darwins voyage that inspired his theory of evolution	false
the physical space where an animal lives, and which contains its environment is its habitat	true
pseudocoelomate, acelomate, and coelomate refer to body plans, which are one of the characteristics important in naming epithelial tissues	false
lacunae can be found in both bone and carilage	true
a cladogram is a branching diagram showing the pattern of sharing of evolutionarily dervied characteristics among species or higher taxa	true
the system of binomial nomenclature is attributed to	carolus linnaeus
the speciation that occurs when a population is isolated geographically is known as	allopatric speciation
_____ is a system based solely on morphological (structural characteristics)	Aristotelian Essentialism
Arcella Vulgaris, amoeboa proteus, actinospharieum, and difflugia all belong in the taxonomic kingdom	protista
which of hte following is not a valid family name	procyon
of the four types of symmetry we introduced, almost all vertebrates posses	bilateral symmetry
striations, nuclei, intercalated discs, invluntary and to some degree vountary describes	cardiac muscle
the firection of nervous system impulses in a typical neuron is	dendrites-cell body-axon
the connective tissue with lacunae, osteocytes and a matrix include all of these except:	compact bone
in a controlled experiment, the part of the experiment that remains the same in order to compare is the	control group
darwins theory of evolution encompasses 5 specific theories. Which is not one	artificial selection
populations as they grow are limited by environmental resistance, this resistance leads to a ceiling called the	carrying capacity
in an age structure pyramid with many more pre reproductives than reproductives the population would be	growing rapidly
potential reasons for different population structure in more developed countries com[ared to less developed countries include all except	temperature fluctuations
survivorship curves are a way to look at	reproductive allocation
the type of natural selection that favors individuals that are average for a particular trait is called	stabilizing selection
Organisms that can make their own food through photosynthesis are called	autotrophs
a relationship between two organisms in which one live on or in another organism until the host is consumed is called a	parasitoid relationship
which of the following is not a structure found in sponges	tests
difflugia, actinsphaerium, arcella, amoeba proteus, and centropyxis are all	amebas
all of the potential alleles in the population	gene pool
evolutionary bursts of activity seen in the fossil record especially in the cambrian explosion	punctuated equilibrium
small scale genetic changes in a population leading to new very closely related species	microevolution
several species all adapted from a common ancestor in repsone to subtle environmental cues	adaptive radiation
the loss of alleles from a population due often to non random mating and potential inbreeding	genetic drift
a colletion of interacting organisms that represent the feeding relationships that exist in an environment	food web
a parasite that feeds from whithin the host	endoparasites
a species that when removed from an environment has a profound effect on other populations	keystone species
the ability of an organism to adapt in such a way that other organisms believe they are another species	mimicry
a parasite that feeds from the outside of its host	ectoparasite
___is the name of the larger excurrent opening in sponges	Osculum
___ are sponges that contain spicules made of calcium	calcispongiae
___ is a form of sexual reprocuction	conjugation
_____are symbiotic protozoans that live in the gut of termites that allow for the digestion of cellulose	Trichnymphs
______ have the capactiy to evolve	populations
_____ arae able to stretch as in the urinary bladder	transitional epithelium
_______ is exemplified by the colonial organism Vovox globater	Spherical Symmetry
_____ factors are those that influence a population regardless of the number of organism	Density Independent
______is a relationship between two or more organisms in which both have the potential to be harmed if resources are limited	Competition
______ is a theory in which small incremental changes in a population occur over long periods of time	Gradualism
Mites and tick differ from all other arachnids in having their cephalothorax and abdomen completely fused	true
scorpions resire by means of book gills	false
the black widow and the brown recluse are dangerous spiders	true
most species of insects have wings	true
in complete metamorphosis, the sequence of instars in nymphal instars, pupa, then adult	false
the water vascular system of sea stars opens to the outside through the madreporite	true
the brittle stars are the most active ehinoderms	true
a notochord is present at somet iem in the life cycle of all chordates	true
tunicates are sessile organisms with no larval stages in their life cycle	false
vertebrates differ from other chordates because they have a brain case	true
the ampullary organs of Lorenzini are receptors for detecting weak electrical fields	true
shars are heavier than water but achieve neutral buoyancy by means of a swim bladder	false
arthropods arae successful because they have	all of these
the trilobites are	extinct
memebers of the class arachnida have	a cephalothorax and abdomen
the crustaceans that are sessile and enclosed in a shell of calcareous plates are called	barnacles
insects differ from other arthropods because insects have	wings
a uniqure characteristic of echinoderms is	all of these
the echinods	are enclosed in a test
when a sea star feeds on a clam, it inserts its ___ between the two valves	stomach
all chordates have	a single, dorsal, tubular nerve chord
the urochordates are	all of these
the postanal tail is seen in humans only as a vestige; the	coccyx
the lateral line of a shark is used for	detecting and locating objects and moving animals in the water
sharks have	placoid scales
swim bladders would be expected to be present in	most surface-dwelling fish
a tough resistant nitrogenous polysaccharide in the cuticle of arthropods is	chitin
class of the sea urchins and sea biscuits	echinoidea
class of the sea lilies and feather stars	crinoidea
class of the sea cucumbers	holothuroidea
class of the brittle stars and basket stars	ophiuroideada
class of the sea stars	asteroidea
visual communication involving the production of light	bioluminescence
life cycle that includes: egg, larvae, pupa and adult	Holometabollis
molting of the exoskelton for growth	ecdysis
chemical signals that affect sexual behavior	phermones
life cycle that includes: egg, nymph, and adult stages	Hemimetabolis
Trilobita	trilobites
chelicerata	spiders, ticks, horseshoe crabs
crustacea	barnacles, shrimp, lobster
diplopoda	millipedes
chilopoda	centipedes
Some salamanders have neither lungs nor gills	false
the decline in amphibian populations particularly forgs may be attributeted to habitat distruction	true
a kinetic skull is a characteristic of all reptiles	false
reptiles have internal fertilization	true
most snakes are oviporous	true
mature feathers are dead structures and must be replaced at regular intervals	true
the muscle which raises the wind of a bird is located	on the chest
the main premise underlying darwinian evolution is that the living world is neigher constant nor perpetrually cycling, but always changing	true
genetic drift occurs to some degree in all population of finite size	true
the theory of evolution by natural selection was propoed by	darwin and wallace
darwins finches represent a good example of	adaptive radiaiton
which of the following is not one of the observations that led darwin to propose the theory of natural selection	the hereditary process features inheritance of discrete and non blending particular factors
maximum number of individuals of a species that an area can support is the	carrying capacity
simple columnar epithelial cells with microvilli are found	in the intestine for absorption
long thin pseudopodia supported by axial rods of microtubules are	axopodia
the protozoan trypanosoma causes	african sleeping sickness
characeristics of protozoans include	species with endoskeletons, exoskeletons, and species that are naked
red tides may be best described by	growth of certain dinoflagellates producing detectable levels of toxin
the cells of a sponge that are responsible for water flow and capture of some particles are the	choanocytes
the structural protein found in sponges is	spongin
structures in different organisms that are similar because they desend with some modiication from a corresponding feature of their common ancestor are sai to be	homologous
competition between members of the same species for a particular resource is called	intraspecific competition
similar cells grouped together to perform a common function is called	tissue
a holozoic protozoan ingest food particles by the process of	phagocytosis
sexual reproduction invovlves production of gametes that fuse to form a	zygote
osmoregulation in protozoa is carried out chiefly by structures called	contractile vacuoles
multiple fission or schizogony is a type of asexual reproduction characteristic of all protozoa belonging to the taxon called	apicomplexans
the minute, needle-like structures that act as a skeletal support system in sponges are called	spicules
the water outlets in sponges are known as	oscula
order gymnophiona include legless caecilian	true
respiration in organisms of class amphibia is entirely through gills	false
spermatophores are important reproductive structures in salamander reproduction	true
the Jacobsons organ is used to detect movement	false
irregular fluctuations in populations caused by crowding in populations caused by crowding and dispersal are due to	density dependent causes
bovines have	true horns
yound that hatch and are immediately active and covered with down are called	precocial
organ of hearing in a bird is the	cochlea
squamata	lizards
male nematodes differ from females internally because they have	a single unbranched reproductive organ.
the function of the spiracle in skates and rays is for	water intake
juvenile trichina worms live in the	skeletal muscle
elephantiasis is caused by filarial worms that live in the	lymphatic system
Nematodes are	dioecious
adult eels from both europe and noth american spawn at great depth in the sea of	sargasso
nematodes only have	longitudinal muscle
minute pincer like ____ are found on the surfaces of many sea stars	pedicellaria
lancelets belong to the subphylum	cepahlochordata
ampihipoda	taxon of scuds
euphausiacea	taxon of krill
decopoda	taxon of crabs, lobster, and crayfish
chilopoda have	posion claws
larval eels were first called	leptocephali

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Animal Bio Exam.

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