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crabs

Total questions: 100

Worksheet time: 25hrs 0mins

Name
Class
Date
1.

What is the crabs scientific name,

a)

Brachyura

b)

Grace

c)

Brian

d)

mom

e)

dad

2.

drow a carb

3.

can we eat crabs

a)

yes

b)

no

4.
What is the hermit crab's scientific name?
a)
Paguridae Pagurus
b)
Paguridae Pagures
c)
Hermideas Conatas
d)
chemosensory crab
5.
How many crabs are in a average hermit crab herd
a)
50 crabs
b)
100 crabs
c)
1,000 crabs
d)
500 crabs
6.
Hermit crabs have _______ main groups
a)
4
b)
8
c)
2
d)
6
7.
Hermit crabs have antenna called 
a)
chemosensory organs
b)
chemosensery organs
c)
sensory organs
d)
Smell organ
8.
Land Hermit crabs are
a)
carnivores
b)
herbivores 
c)
omnivores
d)
algebors
9.
Land hermit crabs live around the
a)
indo pacific and western atlantic region
b)
indo pacific and eastern atlantic  region
c)
eastern atlantic region
d)
western atlantic region
10.
Land hermit crabs normally live _______ years in the wild
a)
23 years
b)
60 years
c)
30 years
d)
40+ years
11.
Marine hermit crabs have four stages of reproducing called...
a)
 The nauplius stage,the protozoa stage, the zoea stage and the megalop stage    
b)
The napelius stage, the protezoe stage, the zoeoe stage and the megaloop satge
c)
The maturity stage, the megaloop stage, the fermentation stage and the embryo stage.  
12.
The hermit crab is very large animal and can get up to 600 pounds
a)
true
b)
false
13.
Hermit crabs account for ___ of the crustacean population 
a)
1/4
b)
1/8
c)
1/16
d)
1/2
14.
Hermit crabs used to be worshiped as gods
a)
true
b)
false
15.
Petco and Petsmart hold there hermit crabs in holding facilities 
a)
true
b)
false
16.
Why should you not buy non active hermit crabs beause
a)
non active hermit crabs are most likely dead
b)
non active hermit are a waste of money
c)
non active hermit crabs smell bad
d)
non active hermit crabs are boring and not interesting 
17.
Marine hermit crabs need ______ in there water
a)
instant ocean
b)
table salt
c)
conditioner 
d)
pepper  
18.

Crabs are

a)

mammals

b)

amphibians

c)

crustaceans

d)

reptiles

19.

Crabs have a thick shell called an ________________.

a)

exoskeleton

b)

shell

c)

pincers

20.

Crabs walk

a)

forward

b)

backward

c)

sideways

21.

Most crabs live ________________.

a)

in water

b)

on land

c)

inside fish

22.

How do crabs communicate?

a)

by eating and drinking

b)

by waving and drumming their pincers

c)

by digging in the mud

23.

Crabs eat both plants and animals.

a)

True

b)

False

24.

Most crabs breathe with

a)

lungs

b)

gills

c)

legs

d)

claws

25.

The cephalothorax of the fiddler crab includes the

a)

head

b)

thorax

c)

abdomen

d)

all of these

26.

A carapace is a _____________ the fiddler crab is covered with.

a)

claw

b)

shell

c)

skin

d)

hair

27.

The fiddler crab have _______________ eyes.

a)

single

b)

small

c)

black

d)

compound

28.

The fiddler crab have legs with two picher like claws called a_______________.

a)

arm

b)

chelae

c)

pincher

d)

leg

29.

Semiterrestrial means

a)

spending all time in water

b)

spending all time on land

c)

never on land

d)

spending part of time on land and in water

30.

Bubbles around the fiddler crab when he is breathing are made of_________________

a)

carbon dioxide

b)

salt

c)

oxygen

d)

sand

31.

Fiddler crabs feed

a)

only in the morning.

b)

only in the evening

c)

at midnight

d)

in the morning and evening.

32.

The male crab eats with

a)

the big claw

b)

both claws

c)

the small claw

33.

The large claw can be used to

a)

attract females

b)

discourage rivals

c)

defend territory

d)

all of these.

34.

If a fiddler crab looses a claw

a)

it is gone forever

b)

it grows another one

c)

it dies

d)

all of these

35.

The crab stays in the tunnel

a)

at night

b)

in the monring

c)

at midnight

d)

during high tide and hibernation.

36.

WHat crab might this be?

a)

Diver crab

b)

seal crab

c)

red crab

d)

king crab

37.

what crab is this?

a)

coconut crab

b)

almond crab

c)

blue crab

d)

yes

38.

What is crab rave

a)

Video about crabs

b)

Dancing Llamas

c)

Dancing crabs

d)

Boring Alligators

39.

do some crabs stand on rocks?

a)

Yes a couple

b)

Yes a lot!

c)

None of the crabs stand on rocks

d)

The don't stand on rocks but they climb palm trees.....

40.
What is the hermit crab's scientific name?
a)
Paguridae Pagurus
b)
Paguridae Pagures
c)
Hermideas Conatas
d)
chemosensory crab
41.

Red land crabs hide in___during the dry season

a)

forest burrows

b)

forest bushes

c)

desert burrows

d)

desert bushes

42.

What is moulting in crab?

a)

The process in which crab reproduce

b)

The process in which larval forms develop into adult forms

c)

The process in which crabs shed their outer covering and grow a larger one.

d)

The process in which crab breathe

43.

Which type (gender, age) of blue crab has red claws and a triangular-shaped abdomen?

a)

male, mature

b)

female, immature

c)

male immature

d)

female mature

44.

Which of the following are true about the FEMALE gender of a blue crab? (Select ALL that apply)

a)

Females grow larger than males

b)

Immature females are called "sally" or "she crab"

c)

The female has red-tipped claws

d)

Mature females are called "sook"

45.
Feeds in the early morning and twilight:
a)
hungry
b)
carapace
c)
crepuscular
d)
invertebrate
46.

How many spider crabs live in the ocean?

a)

10,000

b)

20,000

c)

30,000

d)

2000,0000

47.

Most crabs live in the sea. About ___ percent live mostly on land.

a)

25

b)

30

c)

15

d)

10

48.

Crabs have teeth inside their stomachs.

a)

True

b)

False

49.

A crab is ________

a)

a vertebrate

b)

an invertabrate

50.

The body of the crabs is covered by_____

a)

an exoskeleton

b)

scales

c)

skin

d)

fur

51.

The crabs developed strong legs to carry its exoskeleton everywhere.

a)

True

b)

False

52.

Some crabs have pincers strong enough to crush shells.

a)

True

b)

False

53.

anatomy

a)

the parts that form the structure of a living thing.

b)

a hard supporting structure on the outside of a body.

c)

An animal that lacks a backbone.

54.

exoskeleton:

a)

the parts that form the structurer f a living.

b)

a hard supporting structure on the outside of a body.

55.

Invertebrate

a)

the parts that form the structure of a living thing

b)

an animal that lacks a backbone.

56.

We know of as many as ________species of crabs.

a)

7000

b)

6000

c)

1000

d)

2000

57.
Blue crabs are decopods meaning that they have ___________ appendages
a)
6
b)
8
c)
10
d)
12
58.
Blue crabs have a broad diet which includes dead plants and animals, this means they are____________.
a)
scavengers
b)
decomposers
c)
carnivores
d)
herbivores
59.
Crabs are __________________ which means they are related to spiders and insects.
a)
mollusks
b)
arthropods
c)
arachnids
d)
vertebrates
60.
The nickname for a male blue crab is _______________.
a)
Sook
b)
Sally
c)
Johnny
d)
Jimmy
61.
Molting is when
a)
crabs shed their shell in order to grow
b)
the shell of the crab gets diseased
c)
female crabs grow eggs in their abdomen
d)
crabs lose a claw in a fight
62.
The crab pictured is
a)
Male
b)
Female
63.
A mature female blue crab is called a
a)
Suzie
b)
Sally
c)
Sook
d)
Sarah
64.
A sponge crab is
a)
A crab that has a soft shell after molting
b)
A female crab with an attached egg sac
c)
A crab in larval form
d)
A dead crab
65.
The crab pictured is
a)
Male
b)
Female
66.
Blue crabs have a broad diet which includes dead plants and animals, this means they are____________.
a)
scavengers
b)
decomposersdecomposers
c)
carnivores
d)
herbivores
67.
Where does a hermit crab live?
a)
shell
b)
bag
c)
underground
d)
in trees
68.
What do the hermit crabs eat in this book?
a)
algae
b)
cookie
c)
hamburger
d)
marshmallow
69.
Hermit crabs can be little AND big.
a)
True
b)
False
70.
Hermit crabs do not make good pets.
a)
True
b)
False
71.
As hermit crabs grow, they have to find bigger shells.
a)
True
b)
False
72.
Where do you think hermit crabs can be found?
a)
the mall
b)
a farm
c)
the beach
d)
outer space
73.

Some crabs have blue blood. True or false?

a)

True

b)

False

c)

I don't know

74.

Is a Spider Crab a real thing?

a)

No, Engelbert Kaempfer and Coenraad Jacob Temminck aren't real people and spider crabs don't exist.

b)

Yes, Engelbert Kaempfer discovered spider crabs in 1836.

c)

Yes, spider crabs was first discovered by Western science in 1836 by Dutch zoologist Coenraad Jacob Temminck

75.

Which one of these crab facts are false?

a)

There are more than 4,500 species of crabs.

b)

The Pea Crab is the smallest known species of crabs.

c)

Crabs can go 12 feet underwater before they drown.

76.

What is the coolest fact you know about crabs?

4 lines
77.

Pick all the real crabs (More than one answer)

a)

Pea Crab

b)

Fiddler Crab

c)

Ghost Crab

d)

Cat Crab

78.

Aristophanes once said you cannot teach a crab how to (a)  

79.

Bonus Question! (EASY POINTS)

a)

YES

b)

NO

80.

Do you think you will win?

4 lines
81.

Is the Cat Crab your favorite crab?

a)

Yes

b)

No

c)

Other

82.

Cat crabs aren't a thing.

a)

YES

b)

YEAH

c)

CORRECT

d)

MHM

e)

TRUE

83.

Where is the crab?

a)
b)
c)
d)
84.

How many crabs are there?

a)

1

b)

5

c)

4

d)

7

85.

How many crabs sat on a rock?

a)

5

b)

6

c)

4

d)

3

86.

Where is the bird?

a)
b)
c)
d)
87.

Is this a bird?

a)
b)
88.

Can you see a dog?

a)
b)
c)
d)
89.

Fish

a)
b)
c)
d)
90.

The crabs sit on a rock.

a)

dog

b)

rock

c)

mat

d)

water

91.

What is this?

a)

a not

b)

a name

c)

a net

d)

nine

92.

Who took a crab?

a)

a cat

b)

Mr Lo

c)

a rat

d)

a dog

93.

Where did the crab go?

a)

onto the rock

b)

off the rock

c)

in the rock

d)

on the table

94.

Which one is not a crab?

a)

1

b)

2

c)

3

d)

4

95.

How many legs does a crab have?

a)

2

b)

6

c)

8

d)

10

96.

Which word begins with b?

a)
b)
c)
d)
97.

Which words starts with cr?

a)
b)
c)
d)
98.

Which word ends with sh?

a)
b)
c)
d)
99.

What is the title?

a)

Crabs on a Fish

b)

Crabs on a Rock

c)

Snowman

d)

Little Red Riding Hood

100.

Josephine Croser is the _____________.

a)

author

b)

illustrator

c)

teacher

d)

school principal

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