Octopus Quiz

What makes octopus blood appear blue?

• Carbon-based

• Iron-based

• Copper-based

• Oxygen-based

Tags

NGSS.MS-PS1-1

Where are two-thirds of the octopus's neurons found?

• In the brain

• In the arms

• In the gills

• In the heart

What is a sign of intelligence exhibited by octopuses?

• Using tools

• Playing

• Guarding eggs

• Changing color

How long do most octopus species live?

• 10-12 years

• Less than 6 months

• 1-2 years

• 5-7 years

What is the deadly component of octopus ink?

• Mucus and water

• Oxygen and carbon

• Copper and iron

• Melanin and tyrosinase

How do octopuses use their ink to defend themselves?

• To create a smokescreen

• To blind predators with bright colors

• To release a toxic gas

• To distract and confuse predators

What happens to female octopuses after laying their eggs?

• They live for another year

• They guard the eggs for 8 weeks

• They become stronger and healthier

• Their body self-destructs through cellular suicide

What is the purpose of the cells called chromatophores in octopuses?

• To produce ink

• To change color

• To store food

• To regulate body temperature

What is the purpose of the mimic octopus's ability to manipulate the shape of its body?

• To camouflage itself

• To communicate with other octopuses

• To attract mates

• To intimidate predators

What is one reason why octopuses are considered captivating creatures?

• Their ability to fly

• Their intelligence

• Their large size

• Their aggressive behavior