Four of the five answers are features of the echinoderms. Select the exception.
A) spiny skin
B) decentralized nervous system
C) radial symmetry
D) a water-vascular system
E) a mantle
Correct Answer:
Verified
Q14: The smallest adult chelicerates are _.
A)horseshoe crabs
B)mites
C)scorpions
D)spiders
E)ticks
Q15: The only winged invertebrates are from which
Q16: The presence of earthworms _.
A)increases free nitrogen
Q17: The sea slugs (nudibranchs) may protect themselves
Q18: "Nerve net" describes the nervous system of
Q20: An animal with bilateral symmetry _.
A)has no
Q21: A flatworm moves nutrients and gases through
Q22: Elephantiasis is caused by damage of valves
Q23: Which animal group does not have tissues?
A)nematodes
B)sponges
C)echinoderms
D)flatworms
E)cnidarians
Q24: Arthropods usually detect chemicals in water or
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