The extinct arthropod subphylum Trilobitomorpha was named for
A) the three known stages of the life cycle.
B) the three known larval forms.
C) the three geologic ages which were dominated by trilobites.
D) the three longitudinal body divisions.
E) the three species which have been identified.
Correct Answer:
Verified
Q1: Horseshoe crabs belong to the arthropod subphylum
A)Chelicerata.
B)Arachnida.
C)Uniramia.
D)Crustacea.
E)Mandibulata.
Q2: Spiders,ticks,and scorpions belong to the arthropod class
A)Chilopoda.
B)Pycnogonida.
C)Insecta.
D)Merostomata.
E)Arachnida.
Q3: Specialization of regions of the body for
Q4: Which of the following is not a
Q6: Gas exchange between the blood of horseshoe
Q7: Chelicerates have a cephalothorax,also known as the
Q8: The _ is the outer layer of
Q9: Sensory receptors called _ occur in the
Q10: While aquatic arachnids utilize coxal glands for
Q11: The chelicerate opisthosoma
A)bears the pedipalps.
B)is the sensory
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