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What is the kingdom of crabs ?

Crab.jpg
Xyla
Pyla
Animalia
Daga


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Crabs are generally covered with a thick exoskeleton, composed primarily of ____________ .

Crab2.jpg
Carbon
Sodium Chloride
calcium carbonate
Silica


Crabs are generally covered with a thick exoskeleton, composed primarily of calcium carbonate, Crabs vary in size from the pea crab, a few millimeters wide, to the Japanese spider crab, with a leg span of up to 4 meters (13 ft).

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What is the Class of crabs ?

Zylum
Malacostraca
Floam
Solium


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How many eyes does a Horseshoe crab has ?

16
60
6
8


A horseshoe crab is an animal that lives in salt water. It is covered in spikes and has 6 eyes.

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What is the word record for biggest blue crab ?

11 inches
150 inches
160 inches
3 inches


The world record for blue crab in biggest was 11 inches and it is at the Virginia Institute of marine studies.

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Hermit crabs can live for around ____ years.

15
60
90
100


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How big is a giant spider crab can be ?

5centimeter
13ft
10 millimeters
100ft


Giant spider crab legs can get up to 13ft and there body gets to one foot in diameter.

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Crabs have blue blood because of__________.

Lithium
Hemocyanin
Hemoglobin
Sodium


Unlike humans crabs have Hemocyanin instead of hemoglobin. Hemocyanin has copper in it which makes the blood blue.

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How many legs does a yellow crab spider have ?

10
2
5
8


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Which is the biggest Crab species ?

Japanese spider crab
Butterfly Crab
Helmet Crab
Pea Crab


It has leg span of up to 4 metres.

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