Unit 8 Test Flashcards
1
Q
- What is the study of the animal kingdom called?
A
zoology
2
Q
- An organism that is permanently attached to the ground is
A
sessile
3
Q
- Organisms with systems of tough plates protecting them have a/an
A
exoskeleton
4
Q
- The upper surface or “backbone” side of an animal is the
A
dorsal
5
Q
- The underneath side or lower surface is the
A
ventral
6
Q
- The term lateral refers to an organism’s
A
side
7
Q
- The caudal region of an organism would be its
A
tail
8
Q
- An organism whose midline divides the organism into two equal lateral segments is said to have
A
bilateral symmetry
9
Q
- Animals without backbones are called
A
invertebrates
10
Q
- The ability to regrow damaged or missing parts is called
A
regeneration
11
Q
- The only Phylum to have spearlike nematocysts is
A
Cnidaria
12
Q
- Platy- means
A
“flat”
13
Q
- The type of symmetry illustrated by the earthworm is
A
bilateral
14
Q
- A muscular throat cavity is a
A
pharynx
15
Q
- Three cells layers and a single opening to the digestive system are characteristic of the Phylum
A
Platyhelminthes
16
Q
- What are the differences between free-living and parasitic flatworms?
A
Parasitic flatworms have fewer sensory organs, a tegument, hooks and suckers
17
Q
- An organism that possesses both male and female reproductive organs is
A
hermaphroditic
18
Q
- What is the tegument?
A
a protective body covering in parasitic worms
19
Q
- The anterior end of the tapeworm is called the
A
scolex (head)
20
Q
- What factors contribute to the spread of hookworm?
A
Bare feet, warm soil, careless sewage disposal
21
Q
- Name harmful parasitic roundworms.
A
hookworms
22
Q
- Which parasitic worm forms larval cysts in the human muscle tissue?
A
Trichina
23
Q
- The body sections of the tapeworm are called
A
proglottids (segments)
24
Q
- The body type of the nematoda is
A
cylindrical/round
25
Q
- The arms of a starfish are called
A
rays
26
Q
- What does the prefix arthro- refer to?
A
joints
27
Q
- What makes up the external skeleton of the arthropods?
A
exoskeleton - made of protein and chitin
28
Q
- Why can’t a flying insect grow to the size of a chicken?
A
the weight of the exoskeleton (for flight) limits the size
29
Q
- What kind of circulatory system does a crayfish have?
A
open
30
Q
- What protects the cephalothorax of the crayfish?
A
carapace