These questions will be similar to the ones on lecture test 5 ( Ch 29 : Molluscs to Arthropods)
1). Crustaceans have a characteristic larva, called the _______________
larva, that has _________ pairs of appendages.
2). Crabs and shrimp are in the class :
a) copepoda b) cirripedia c) malacostraca d) diptera
3). Marine annelids and molluscs have a ____________________ larva.
4). Rhinocrisis is a genus in the class:
a) Hexapoda b) Coleoptera c) Diplopoda d) Chilopoda
5). Mosquitoes are in the order __1__ ; this order has __2__ species.
a) diptera ; 500,000 b) hymenoptera ; 100,000
c) diptera ; 100,000 d) hymenoptera ; 500,000
6). What type of insect is a "drone"? ____________________________________
7). Malpighian tubules are used for __1__ and are found in __2__
a) breathing ; insects b) excretion ; crustaceans
c) excretion ; insects d) breathing ; crustaceans
8). The radula is used for ____________________ and is characteristic of
the phylum ___________________________
9). What do the following gastropods use darts for?
Helix : _________________________________________________________
Conus : _________________________________________________________
10). How does Nautilus control its buoyancy? _________________________
__________________________________________________________________
11). How many years ago did trilobites become extinct?
a) 600 million b) 350 million c) 250 million d) 50 million
12). Explain the difference between open and closed circulatory systems:
Open : ___________________________________________________________
Closed : _________________________________________________________
13). Roughly how many different species of gastropoda exist ?
a) 10,000 b) 20,000 c) 50,000 d) 100,000 e) 5,000
14). How do spiders in the genus Portia catch their prey?
_____________________________________________________________
15). What is unusual about reproduction in Uroctonus ? _________________
___________________________________________________________________
16). Setae are used in __1__ and are characteristic of __2__.
a) reproduction ; annelida b) reproduction ; mollusca
c) locomotion ; annelida d) locomotion ; mollusca
17). Which genus of arachnid transmits ehrlichiosis ?
a) Latrodectus b) Portia c) Amblyomma d) Uroctonus
18). What are three functions of the exoskeleton? : _________________
_________________________________________________________________
19). Many bivalves attach themselves to rocks using __________ threads,
which researchers are hoping to use in ___________________________.
20). The subphylum chelicerata have __1__ legs and a body in __2__ parts.
a) 8 ; 2 b) 6 ; 2 c) 8 ; 3 d) 6 ; 3
21). A typical crustacean has __1__ pairs of walking legs, called __2__
a) 5 ; pereopods b) 4 ; pleopods
c) 5 ; pleopods d) 4 ; pereopods
22). The order Coleoptera have their __1__ wings modified into __2__
a) front ; elytra b) hind ; elytra
c) front ; halteres d) hind ; halteres
23). Molluscs have a body divided into three parts: foot,
__________________________ and ________________________
24). What blue colored protein carries oxygen in the blood of a mollusk?
_________________________
25). What is the function of the clitellum ? _______________________________