Animal Kingdom Quiz
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Animal Kingdom Quiz

Test your knowledge of the animal kingdom with this quiz! Explore the diversity of multicellular, eukaryotic organisms, their characteristics, and the incredible variety of animal species. From basic biology to specific species, challenge yourself with questions about animal behavior, habitats, and more.

Created by
@CorrectGrowth

Questions and Answers

What is the estimated number of living animal species as of 2022?

2.16 million

Which clade includes animals with a bilaterally symmetric body plan?

Bilateria

During which period did the Cambrian explosion, where many modern animal phyla became established, begin?

Around 539 million years ago

What is the primary scientific study of animals known as?

<p>Zoology</p> Signup and view all the answers

From what do animals grow during embryonic development?

<p>Hollow sphere of cells, the blastula</p> Signup and view all the answers

Study Notes

Animal Kingdom

  • Estimated 8.7 million identified living animal species as of 2022, with many more still undescribed.

Body Symmetry

  • Animals with bilaterally symmetric body plans belong to the clade Bilateria.

Evolutionary History

  • The Cambrian explosion, during which many modern animal phyla became established, began around 541 million years ago during the Cambrian period.

Zoology

  • The primary scientific study of animals is known as zoology.

Embryonic Development

  • Animals grow from three primary germ layers (ectoderm, endoderm, and mesoderm) during embryonic development.

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