Animals & Symmetry

What percentage of animals share bilateral symmetry?

• Less than 10%

• About 50%

• Exactly 80%

• Over 95%

Which type of symmetry do cnidarians, like jellyfish, have?

• Fractal symmetry

• No symmetry

• Radial symmetry

• Bilateral symmetry

What unique form of growth did rangiomorphs exhibit?

• Linear growth

• Radial growth

• Fractal growth

• Asymmetrical growth

Why might bilateral symmetry be advantageous for movement?

• It allows for random movement

• It enables drifting through water

• It supports purposeful and efficient movement

• It is not advantageous for movement

Which animals are known to break bilateral symmetry for specific adaptations?

• Sponges and cnidarians

• Birds with crossbills and flatfish

• Rangiomorphs and trilobites

• All animals maintain perfect symmetry