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Questions and Answers
What is the estimated number of living animal species on Earth as of 2022?
What is the estimated number of living animal species on Earth as of 2022?
- 85,000
- 2.16 million
- 1.05 million
- 7.77 million (correct)
Which group do most living animal species belong to?
Which group do most living animal species belong to?
- Xenacoelomorpha
- Deuterostomes
- Protostomes
- Infrakingdom Bilateria (correct)
What is the study of animal behaviors known as?
What is the study of animal behaviors known as?
- Ethology (correct)
- Entomology
- Ecology
- Zoology
What is the body length range of animals mentioned in the text?
What is the body length range of animals mentioned in the text?
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Which group includes phyla such as arthropods, molluscs, and annelids?
Which group includes phyla such as arthropods, molluscs, and annelids?
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