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Questions and Answers
What is the estimated number of living animal species as of 2022?
What is the estimated number of living animal species as of 2022?
- 85,000
- 7.77 million (correct)
- 2.16 million
- 1.05 million
What is the clade that most living animal species belong to?
What is the clade that most living animal species belong to?
- Nematoda
- Arthropoda
- Bilateria (correct)
- Mollusca
What is the range of animal lengths mentioned in the text?
What is the range of animal lengths mentioned in the text?
- 8.5 micrometres to 33.6 metres (correct)
- 10 micrometres to 40 metres
- 0.5 micrometres to 50 metres
- 1 millimetre to 100 metres
What is the scientific study of animals known as?
What is the scientific study of animals known as?
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During embryonic development, animals grow from a hollow sphere of cells called:
During embryonic development, animals grow from a hollow sphere of cells called:
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