TOPICS 1-9, EXAM 1 ANSWERS,
WILDLIFE ISSUES, EXERCISE 2
WIS2040, EXAM 1(100% ACCURATE)
,A pseudocoelom is characteristic of the ------. - ANSWERnematodes
The Schaus Swallowtail butterfly may avoid extinction in the wild because of a
partnership between conservation scientists and a ------ association. - ANSWERgolfing
Members of the Phylum Platyhelminthes (Flatworms) have ------ secondary body cavity.
- ANSWERno
Before 1997 the scallop season ran for ------ months in Florida. - ANSWER9
The Schaus Swallowtail butterfly survived because a few individuals were ------. -
ANSWERnone of these (not protected by the NPS, naturally large, or had mated with an
introduced species)
In deuterostomes the ------ froms from the blastopore. - ANSWERanus
The blastopore becomes the mouth in the development of ------. - ANSWERprotostomes
------ is one of the three most represented phyla of invertebrates listed by FCREPA. -
ANSWERCnidaria
The invertebrate phylum ------ has no species listed by the FWC. - ANSWERPorifera
The ------ is an introduced species in North America that belongs to the phylum
Mollusca. - ANSWERZebra Mussel
A true coelom is a secondary body cavity that is surrounded by ------. -
ANSWERmesoderm and mesoderm
By 1984 the Schaus Swallowtail Butterfly was reduced to a total of ------ individuals. -
ANSWER70
The Schaus Swallowtail butterfly is found only in ------. - ANSWERthe Florida Keys
Moulton believes that few invertebrate species are federally listed in Florida because
invertebrates ------. - ANSWERhave not been studied extensively
Embyonic genes switch on during the ------ phase of development. - ANSWERgastrula
The Schaus Swallowtail butterfly was nearly wiped out in 1992 because of ------. -
ANSWERHurricane Andrew
, When the Welland canal was deepened ------ invaded Lake Erie. - ANSWERlampreys
Natives on the Yukon River harvest nemeryaq which are actually ------. -
ANSWERlampreys
The ------ are chordates that are sessile as adults and/but have a free-swimming larva. -
ANSWERurochordata
------: All lampreys are parasitic. - ANSWERFALSE
TFM is a chemical once used to control ------. - ANSWERlampreys
The parasitic sea lamprey is characterized by having ------. - ANSWERan oral disk
All chordates have ------. - ANSWERdorsal hollow nerve cord
------refers to the developmental change from juvenile to adult. -
ANSWERMetamorphosis
The phylum chordate is subdivided into ------ subphyla. - ANSWER3
Fish that live in marine environments and ascend creeks and streams to breed are
called ------. - ANSWERanadromous
------: The four chordate characteristics are all visible in the adults of all chordate
species. - ANSWERFALSE
Some species of ------ are catadromous species. - ANSWEReels
------ use slime production as a defense mechanism. - ANSWERHagfish
All chordates have ------. - ANSWERpharyngeal gill slits
There are about ------ species of jawless vertebrates in the world today. - ANSWER70
------: Lampreys are chiefly catadromous. - ANSWERFALSE
When lampreys reached the upper Great Lakes the ------ fishery collapsed. -
ANSWERLake Trout
Typically, invertebrates use their gills for ------. - ANSWERfeeding
Modern hagfishes are found only in ------ environments. - ANSWERmarine
The currently accepted theory among biologists on the evolution of the vertebrates is
based on ------hyphothesis. - ANSWERGarstang's