Unit 21 CHALLENGE Quiz

What does the term "phototropic" mean?

• Giving off light without heat

• Tending to grow or move toward light

• Attractive in pictures or photographs

• Easy to understand; clear

Fill in the blank: Phosphorescent organisms give off light without generating _______.

Which of the following is NOT a use of bioluminescence mentioned in the passage?

• Attracting mates

• Deterring predators

• Luring prey

• Photosynthesis

Which term is associated with appearing attractive in photographs?

• Phototropic

• Phosphorescent

• Photogenic

• Lucid

What skill does the passage suggest is important in fields like photography and design?

• Understanding bioluminescence

• Manipulating light

• Growing toward light

• Attracting mates

Match the following terms with their definitions:

• Lucid - Easy to understand; clear

• Elucidate - To make clear by explaining

• Translucent - Allowing light to pass through

What is the primary purpose of phototropic behavior in plants?

• To attract mates

• To maximize photosynthesis

• To deter predators

• To emit light

Which of the following organisms is likely to exhibit phototropic behavior?

• A phosphorescent fungus

• A marine animal using bioluminescence

• A plant bending toward a light source

• A photogenic human

What is phototropic behavior in organisms?

• A tendency to grow or move toward light

• A tendency to emit light without heat

• A tendency to appear attractive in photographs

• A tendency to allow light to pass through

How do phosphorescent organisms use bioluminescence?

• To attract mates, deter predators, or lure prey

• To maximize photosynthesis

• To navigate their environment

• To appear attractive in photographs