1). Apart from: being chemoheterotrophs and storing glycogen, what are
two characteristics of animals:
__________________________________________________________________
2). How many millions of years old are the first fossils of winged
insects ?
a) 150 b) 300 c) 450 d) 600 e) 900
3). What type of body shape does the sponge Euspongia have ?
a) leuconoid b) syconoid c) asconoid d) none of these
4). What is a characteristic of Parazoa ? ______________________________
5). Roughly how many species of Porifera (sponges) are there ?
a) 20,000 b) 10,000 c) 60,000 d) 100,000
6). The anti-fungal chemical ___________________ is produced by sponges.
7). The spicules in a sponge may be made of calcium carbonate,
_____________________ or __________________________________
8). Fossils of Cnidaria go back:
a) 900 million years b) 900 thousand years
c) 700 million years d) 700 thousand years
9). Which class of Cnidaria has the medusa stage dominant?
a) Hydrozoa b) Scyphozoa c) Anthozoa d) Scleractinia
10). Give an example of a genus in the class anthozoa : _________________
11). What order includes the sea anemones ?
a) Hydrozoa b) Actiniaria c) Anthozoa d) Scleractinia
12). The digestive system (gut) of Cnidaria is made of:
a) mesoglea b) epidermis c) mesoderm d) gastrodermis
13). What are "colloblasts" ? ________________________________________
14). What type of body cavity do 1) rotifera and 2) platyhelminthes have ?
a) 1) pseudocoelomate 2) acoelomate b) both acoelomate
c) 1) acoelomate 2) pseudocoelomate d) both pseudocoelomate
15). Which phylum includes the free living, marine genus Dugesia ?
a) Platyhelminthes b) Nematoda c) Porifera d) Cnidaria
16). What does "parthenogenesis" mean? ________________________________
17). The life cycle of the Chinese liver fluke, genus __________________
involves three species. Eggs from humans infect snails, then larvae
called ___________________ from the snails infect fish.
18). What class of flatworm includes flukes ?
a) Trematoda b) Planaria c) Nematoda d) Cestoda
19). The mastax is found in __1__ and is used for __2__
a) rotifers ; reproduction b) flatworms ; reproduction
c) rotifers ; grinding food d) flatworms ; grinding food
20). People get infected with tapeworms by:
a) swimming in infected water b) eating undercooked meat
c) walking barefoot d) mosquito bite
21). Which genus of roundworm infects 10% of adults and 30% of children in
the US?
a) Trichinella b) Necator c) Ascaris d) Enterobius
22). Which phylum of animals has amoeboid sperm?
a) rotifera b) platyhelminthes c) nematoda d) annelida
23). What are the two main sense organs in nematodes?
_____________________ and ________________________
24). The genus Caenorhabditis is used for:___________________________
25). Hookworms are in the genus __1__ and feed on __2__in the intestine.
a) Enterobius ; digested food b) Necator ; blood
c) Necator ; digested food d) Enterobius ; blood