TED-ED: The science of symmetry - Colm Kelleher

TED-ED: The science of symmetry - Colm Kelleher

Assessment

Interactive Video

Mathematics, Other

KG - University

Hard

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The video explores the concept of symmetry, starting with its general perception in everyday life and its specific definition in math and science. It explains symmetry as a transformation that leaves an object unchanged, using examples like equilateral triangles. The video then delves into biological symmetry, discussing bilateral and radial symmetries in various organisms and their evolutionary significance. It highlights how symmetry can indicate evolutionary relationships, such as the connection between humans and starfish. Overall, the video emphasizes the importance of symmetry in understanding both mathematical concepts and biological evolution.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the specific definition of symmetry in math and science?

A transformation that leaves an object unchanged

A transformation that simplifies an object

A transformation that changes an object

A transformation that makes an object more complex

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of symmetry is characterized by reflection across a vertical plane?

Asymmetry

Bilateral symmetry

Radial symmetry

Pentaradial symmetry

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What kind of symmetry do sea urchins and starfish exhibit?

Asymmetry

Pentaradial symmetry

Radial symmetry

Bilateral symmetry

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is bilateral symmetry advantageous for movement?

It allows for more complex body patterns

It provides better camouflage

It helps in grouping sensory organs at the front

It increases body size

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term for a group of sensory organs and a mouth at the front of an animal's body?

Tail

Head

Fin

Wing

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do biologists use body symmetries to understand evolutionary relationships?

By comparing the size of organisms

By analyzing the color patterns of organisms

By studying the symmetry patterns at different life stages

By observing the feeding habits of organisms

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which organisms are more closely related to humans based on their symmetry patterns?

Jellyfish

Starfish

Sea anemones

Corals