Animal Diversity Quiz

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Questions and Answers

Which scientific study is concerned with the study of animal behaviors?

Zoology
Ethology (correct)
Ecology
Entomology

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

1.05 million
85,000
7.77 million (correct)
2.16 million

To which kingdom do animals belong?

Animalia (correct)
Protista
Plantae
Fungi

What is the body plan of most living animal species?

<p>Bilaterally symmetric (C)</p> Signup and view all the answers

Which group does not belong to the deuterostomes?

<p>Arthropods (A)</p> Signup and view all the answers

Flashcards

What is Ethology?

The scientific study of animal behavior, often focusing on behavior under natural conditions, and viewing behavior as an evolutionarily adaptive trait.

How many animal species estimated?

Approximately 7.77 million different species.

Animal's Kingdom?

The kingdom Animalia, characterized by eukaryotic, multicellular, heterotrophic organisms.

What is Bilateral Symmetry?

A body plan where the left and right sides are mirror images of each other.

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What are Deuterostomes?

A major lineage of animals that includes echinoderms and chordates, but not arthropods.

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Study Notes

Animal Science

The scientific study of animal behaviors is known as Ethology.
As of 2022, there are approximately 8.7 million identified living animal species on Earth.
Animals belong to the Kingdom Animalia.
The body plan of most living animal species is Bilateral Symmetry, meaning they have a distinct head and tail end.
Echinoderms do not belong to the deuterostomes, a group that includes animals such as chordates and hemichordates.