Phylum Arthropoda

What are 3 characteristics all arthropods share?

• segmented bodies, jointed appendages, acoelomates

• jointed appendages, exoskeleton, stinging cells

• segmented bodies, jointed appendages, endoskeleton

• segmented bodies, jointed appendages, exoskeleton

A tough suit of armor that protects and supports body, made of protein and chitin.

• exoskeleton

• endoskeleton

• maxoskeleton

• mesoskeleton

Tags

NGSS.MS-LS4-2

Terrestrial arthropods respirate using these?

• tracheal tubes

• gills

• lungs

• air bladders

Arthropods have this type of circulatory system.

• open

• closed

• diffusion

• osmosis

Small openings along body wall where air enters and leaves tracheal tubes.

• spiracles

• metanephridia

• cephalization

• exoskeleton

Aquatic arthropods use these for respiration

• gills

• tracheal tubes

• lungs

• air bladder

Sac-like organs that extract wastes from blood in terrestrial arthropods.

• malpighian tubules

• tracheal tubes

• intestine

• metanephridia

Arthropods have a well developed nervous system with sense organs, a brain, and a ____________ nerve cord with several ganglia that coordinate movement.

• ventral

• dorsal

• anterior

• posterior

Muscles generate movement by pulling on exoskeleton around these?

• joints

• bones

• ligaments

• endoskeleton

In terrestrial arthropods ______________ reproduction occurs in 2 ways and both involve ____________ fertilization.

• asexual, external

• sexual, internal

• sexual, external

• asexual, internal