Tutorial Phylum Arthropoda

One of these is a characteristic of phylum arthropoda

• a. A versatile skeleton

• b.Tripoblastic body

• c. High developed sensory organs

• d. Complex behavior patterns

 

The species mentioned below are examples of subphylum myriapoda,

except for one;

• a. Symphylans

• b. Pauropods

• c. Barnacles

• d. . Centipedes

Subphylum Chelicerata is known for the Ordovician Period over 455 million years ago.

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The classes of subphylum Chelicerata are Merostomata, Pycnogonida, and Arachnida.

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Crustaceans bodies were covered with secreted cuticles composed of gills 

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It has a pattern of two tagmata which are head and trunk - with paired appendages on trunk segments.

• a. Subphylum Myriapoda

• b. Subphylum Chelicerata

• c. Subphylum Crustacean

• d. Subphylum Trilobata

Subphylum Hexapoda has two classes which are class entognatha and class Insecta. Whereas, entogatha is the base of the mouthparts is inside the head capsule and Insecta is the smallest class of phylum Arthropoda

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The term 'arthropod' literally means

• a. bent leg

• b. jointed foot

• c. bent foot

• d. jointed skeleton

Characteristics of Phylum Arthopoda:

• a. segmented, coelomate, bilateral symmetry, exoskeleton, jointed appendages

• b. true segmentation, coelomate, parapodium

• c. endoskeleton, unbranced appendages, no segmentation, acoelomate

• d. 3 pair of legs, 3 body segments, exoskeleton, trachae

What is molting?

• a. The process in which arthropods reproduce

• b. The process in which arthropods shed their outer covering and grow a larger one.

• c. The process in which larval forms develop into adult forms

• d. The process in which arthropods breathe