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Questions and Answers
Which of the following is NOT a characteristic related to the success of arthropods?
Which of the following is NOT a characteristic related to the success of arthropods?
- Jointed appendages
- Trilobite (correct)
- Hard exoskeleton
- Segmented body
What is the estimated time range of the Cambrian explosion?
What is the estimated time range of the Cambrian explosion?
- 535 - 525 bya
- 525 - 515 mya
- 535 - 525 mya (correct)
- 525 - 515 bya
How many species are estimated to belong to the phylum Arthropoda?
How many species are estimated to belong to the phylum Arthropoda?
- Trillions
- Thousands
- Billions
- Millions (correct)
What is the main factor responsible for the diversity in body plans among arthropods?
What is the main factor responsible for the diversity in body plans among arthropods?
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What do Hox genes specify in the embryo of an animal?
What do Hox genes specify in the embryo of an animal?
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