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WorksheetsArthropods
Total questions: 39
Worksheet time: 27mins
Which of the following is NOT a characteristic of arthropods?
Exoskeleton
Jointed appendages
Segmented body
Endoskeleton
What type of circulatory system do arthropods have?
open
closed
The exoskeleton of an arthropod is made of which of the following?
chitin
dentin
protin
chlorotin
Since the exoskeleton limits the growth of arthropods, they have to shed their exoskeletons and form a new one. This is called ____.
defecating
molting
morphing
excreting
Which of the following does not belong in subphylum Crustacea?
Crayfish
Crabs
Shrimp
Millipedes
Which of the following correctly describes a crayfish's body regions?
head, abdomen
cephalothorax, abdomen
head, cephalothorax
Which of the following hold the food for a crayfish?
Mandibles
Pereopods
Maxillipeds
Which of the following crayfish appendages contain the claws?
Uropods
Telson
Maxillipeds
Chelipeds
Which of the following crayfish structures is used for gas exchange?
Malpighian tubules
Green glands
Gills
Book lungs
The carapace is the part of a crayfish's exoskeleton to covers and protects the
head
thorax
abdomen
cephalothorax
Which class of arthropods are mainly aquatic?
Crustacea
Insecta
Diplopoda
Chilopoda
Arthropods have ____________ symmetry.
radial
none
jointed
bilateral
Barnacles filter water to gather food using their _______
fingers
cirri
mouthparts
teeth
Male crabs have a ____ -shaped abdomen while a female crabs abdomen is ____ -shaped
U;V
W;C
V;U
T;U
Letter G is identifying what part of a crayfish?
abdomen
maxilliped
pleopods
cheliped
Letter E is identifying what part of a crayfish?
abdomen
maxilliped
pleopods
telson
decapods have ______ legs.
8
10
12
20
The term 'arthropod' literally means
bent leg
jointed foot
bent foot
jointed skeleton
Barnacles are arthropods that are:
Sessile
Microscopic
Benthic
Toxic
The phylum arthropoda is the largest animal group on the planet.
True
False
How many main body parts do most arthropods have?
16
three
one
four
What are eyes composed of many light detectors called?
bristle
simple eye
brain
compound eye
A feeler that senses touch, taste, or smell is known as a(n)
mandible
antenna
chelicerae
cephalothorax
Why is the horseshoe crabs blood blue and why is it important?
They do not like red; their blood helps with vaccines
Because of their copper based oxygen; it is vital for vaccines
They hate red; it is not important
Which of the following is the closest relative to the horseshoe crab?
blue crab
spider
oyster
fiddler crab
What part of the horseshoe crab is used by humans?
Blood
Eyes
Telson
Legs
Horseshoe crab telson is used to ______.
carry their eggs
flip itself over
fight other predators
Horseshoe crabs are considered living fossils because
They have not changed for millions of years
They can live for millions of years
Their dead exoskeletons are found frequently
In male horseshoe crabs, the first claw is shaped like a ________.
hand
boxing glove
circle
claw
What color are lobsters usually before they are cooked?
Bright blue
Greenish brown
Yellow
Red
Lobster larvae look identical to adult lobsters, only much smaller.
false
true
It is legal to catch AND keep juvenile lobsters.
true
false
Female lobsters become mature enough to lay eggs at around the same time as when they reach the legal-to-catch size in Connecticut.
true
false
Student volunteers do this to female lobsters to indicate it is illegal to catch, sell, or buy these lobsters.
put a yellow band around one of their chelipeds
paint the carapace with a harmless yellow water paint
insert a microchip in their tail that links with a GPS unit
cut a V-shaped notch in their tail
The name of the tail in a crustacean
telson
carapace
uropod
cheliped
