Octopus Biology and Behavior

How many arms does an octopus have?

• 6

• 7

• 8

• 10

What type of creature is an octopus?

• Fish

• Mammal

• Mollusk

• Reptile

What does it mean if an animal is an invertebrate?

• It has a soft body

• It lives in water

• It doesn't have a spine

• It can change color

How do octopuses change their color to match their surroundings?

• They use their eyes

• They use their nervous system

• They use their arms

• They use their gills

What are the suction cups on an octopus's arms most commonly called?

• Grippers

• Holders

• Suckers

• Clingers

What do octopuses use their suckers for?

• To breathe and swim

• To see and hear

• To move around and catch food

• To change color and hide

How long can an octopus survive on land?

• A few hours

• A few days

• A couple of minutes

• A few seconds

What have scientists learned about octopuses?

• They are not very smart

• They can only learn simple tricks

• They are smarter than we realized

• They cannot remember things