Ocean Zones, Mollusks, Arthropods

What statement below about Horseshoe Crabs is not correct?  

• The Horse shoe crab has not changed much in over 400 million years

• Horseshoe Crabs are not considered "true crabs" because they are more closely related to spiders

• Horseshoe Crabs have blue blood

• Horseshoe crabs are the main source of food for a Baleen Whale

What type of shrimp are found in Galveston Bay?

• pink, brown, blue

• pink, brown, white

• white, red, blue

• clear, pink, white

The exoskeleton of arthropods is composed of____.

• chitin

• cellulose

• lipids

• proteins

Which number represents the Intertidal Zone?

• 1

• 2

• 3

• 4

• 5

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is "molting"?

• Moving slowly to escape a predator

• The act of mating between arthropods

• When a female arthropod lays her eggs

• The loss of the exoskeleton to increase size

Tags

NGSS.MS-LS1-5

How many appendages are found in decapods

• 1 pair

• 2 pair

• 5 pair

• 10 pair

What is the rear segment of a crab?

• Head

• Thorax

• Abdomen

• Tail

What does “cephalo-poda” mean

• head foot

• mouth foot

• big foot

• hatchet foot

Tags

NGSS.MS-LS4-2

What is another term for dead, decaying organic matter eaten by many crustaceans?

• Saprophyte

• Decomposer

• Detritus

• Disgusting

Why do hermit crabs live in shells?

• They have soft abdomens

• They only have 4 legs

• To escape from predators

• They do not have an exoskeleton