Podcast
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?
2.16 million
What is the clade that most living animal species belong to?
What is the clade that most living animal species belong to?
Bilateria
Which phylum contains animals such as nematodes, arthropods, flatworms, annelids, and molluscs?
Which phylum contains animals such as nematodes, arthropods, flatworms, annelids, and molluscs?
protostomes
When did the Cambrian explosion begin?
When did the Cambrian explosion begin?
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What is the scientific study of animals known as?
What is the scientific study of animals known as?
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Study Notes
Animal Diversity
- As of 2022, the estimated number of living animal species is approximately 8.7 million.
Classification of Animals
- The majority of living animal species belong to the clade Bilateria, which comprises animals with bilateral symmetry.
Phylum Diversity
- The phylum Protostomia contains a diverse range of animals, including nematodes, arthropods, flatworms, annelids, and molluscs.
Evolutionary History
- The Cambrian explosion, a period of rapid animal diversification, is believed to have begun around 541 million years ago.
Study of Animals
- The scientific study of animals is known as zoology.
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Description
Test your knowledge of animal classification and characteristics with this quiz! From the different types of animals to their unique features and behaviors, challenge yourself to see how well you know the animal kingdom. Explore the fascinating world of multicellular organisms and discover the diversity of life on our planet.
