WorksheetsCrustaceans 15.1-15.2
Total questions: 21
Worksheet time: 11mins
Name
Class
Date
1.
What trait did insects evolve that allowed them to dominate the terrestrial environment?
a)
flight
b)
chelipeds
c)
walking legs
d)
2 pairs of antenna
2.
What trait did insects have that preadapted them for success on the land?
a)
water proof exoskeleton
b)
flight
c)
chelipeds
d)
walking legs
3.
Insects have been tremendously successful in most of earth’s ecosystems. Which one of the following HAS VERY FEW insect inhabitants?
a)
terrestrial
b)
freshwater
c)
saltwater
d)
aerial
4.
Members of class __________ are among the most numerous crustaceans, and are both marine and freshwater in distribution.
a)
Cirripedia
b)
Copepoda
c)
Branchipoda
d)
Isopoda
5.
Which type of crustacean do many zoologists believe to have the greatest number of individuals of any type of animal on the planet?
a)
isopods
b)
fairy shrimp
c)
brine shrimp
d)
copepods
6.
Crustaceans are unique among living arthropods as they possess
a)
chitin in their exoskeleton.
b)
a carapace.
c)
two pairs of antennae.
d)
only two pairs of walking legs.
7.
The majority of crustaceans are
a)
burrowing animals
b)
aquatic.
c)
terrestrial.
d)
very large.
8.
The portion of the crustacean exoskeleton that covers the cephalothorax is the
a)
locomotor tagma.
b)
carapace.
c)
telson.
d)
opisthosoma.
9.
The crustacean abdominal appendages that are used for swimming are called
a)
scaphopods.
b)
pereiopods.
c)
pleopods.
d)
maxillipeds.
10.
Crustaceans have __________, which are sensory structures to provide information regarding gravitational orientation, movement and vibrations.
a)
papillae
b)
ommatidia
c)
antennae
d)
statocysts
11.
The crustacean compound eye is composed of individual units called
a)
ommatidia.
b)
ocelli.
c)
eyespots.
d)
statocysts.
12.
The antennal or green glands of crayfish function in
a)
producing digestive enzymes.
b)
excretion.
c)
producing molting enzymes.
d)
sensing water quality.
13.
The primary excretory product of a crayfish is
a)
urine
b)
ammonia
c)
uric acid
d)
urea
14.
Brine shrimp and fairy shrimp are classified in the crustacean class
a)
Decapoda.
b)
Amphipoda.
c)
Branchiopoda.
d)
Anostraca.
15.
The class of crustaceans with the largest number of species is
a)
Malacostraca.
b)
Maxillopoda.
c)
Branchiopoda.
d)
Cladocera.
16.
Terrestrial crustaceans are quite rare, but terrestrial pill bugs belong to the order
a)
Amphipoda.
b)
Isopoda.
c)
Maxillopoda.
d)
Cladocera.
17.
Barnacles belong to the
a)
Cirripedia.
b)
Hexapoda.
c)
Amphipoda.
d)
Branchiopoda.
18.
Krill belong to the order
a)
Amphipoda.
b)
Euphausiacea.
c)
Cladocera.
d)
Anostraca.
19.
Adult barnacles are unusual in lifestyle because they are
a)
motile
b)
sessile
c)
predatory
d)
free-swimming
20.
Crayfish, lobsters, and shrimps belong to the order
a)
maxillopoda
b)
hexapoda
c)
decapoda
d)
amphipoda
21.
Many female crustaceans carry developing eggs attached to their
a)
pauropods
b)
ogiverous legs
c)
pereiopods
d)
pleopods
100 %
