inferential question (octopus)

What can we infer about octopus communication based on their skin-changing abilities? A. It is always verbal / B. It is purely instinctive / C. It may involve visual signals

What can be inferred about the way octopuses process sensory information? A. Their brain controls all limb movement directly / B. Their limbs can process information independently / C. They have no need for a central nervous system

What can be inferred about the relationship between the octopus's body structure and its survival? A. Its flexibility enhances its ability to escape predators / B. Its large bones protect it from injury / C. rigid skeleton helps it move

Why is the octopus considered ecologically important? A. It serves as both predator and prey / B. It is the most numerous marine animal / C. It cleans coral reefs

What does the octopus’s ability to solve puzzles suggest about it? A. It likes to play with toys / B. It has strong arms / C. It is more intelligent than most sea animals

How does the decentralized nervous system benefit the octopus in daily activities? A. It makes decision-making slower / B. It allows each arm to act independently / C. It causes confusion during movement

How does the author characterize the octopus overall? A. As a social, slow-moving sea creature / B. As a primitive invertebrate with simple behaviors / C. As a highly intelligent and adaptable marine species

What is the main function of chromatophores and papillae in octopuses? A. To improve their swimming ability / B. To allow camouflage and communication / C. To store energy for long trips

Why is the octopus considered a model species for studying environmental stress? A. It lives only in shallow water / B. It shows signs of behavioral adaptation / C. It is not affected by pollution

What does the text suggest about the purpose of an octopus's ink release? A. It acts as a visual distraction to escape predators / B. It is used to communicate with other octopuses / C. It marks territory

Why might octopuses be particularly vulnerable to climate change? A. They are sensitive to environmental changes / B. Their intelligence prevents them from adapting / C. Their short lifespan makes them less resilient

Why might scientists study octopuses when researching non-vertebrate intelligence? A. Because they live in groups / B. Because their brains are similar to humans / C. Because of their complex neural structure