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  2. Octopus Description, Classification & Characteristics - Lesson -...

    study.com/academy/lesson/octopus-characteristics-facts.html

    An octopus is an invertebrate cephalopod. As suggested by the root words of their name- cephalo (head) and poda (foot), octopuses are characterized by a large head with eight attached arms ...

  3. Is an octopus a fish or amphibian? | Homework.Study.com

    homework.study.com/explanation/is-an-octopus-a-fish-or-amphibian.html

    The Octopus: There are about 300 species of octopuses know to scientists. They are aquatic animals. Many octopuses can change color and shoot out ink as a defense mechanism. Some species are consumed by humans.

  4. Is a octopus a mammal or a fish? - Answers

    www.answers.com/invertebrates/Is_a_octopus_a_mammal_or_a_fish

    The octopus is an invertebrate, therefore it cannot be a fish, which belong to the group of animals known as vertebrates. The octopus is a mollusc, and from the same group as squid and cuttlefish.

  5. Octopus Facts: Lesson for Kids - Study.com

    study.com/academy/lesson/octopus-facts-lesson-for-kids.html

    The octopus is an invertebrate, which means that is does not have a backbone. Actually, the octopus doesn't have any bones. ... Octopuses enjoy meals of small fish, crabs, clams, and squid ...

  6. Octopus | Circulatory System, Hearts & Brains - Lesson -...

    study.com/academy/lesson/the-octopus-circulatory-system.html

    An octopus is categorized in class Cephalopoda, which means head foot in Greek and order Octopoda. It is a marine mollusk with eight equal size long arms in a ring, surrounding the head. Marine ...

  7. What Does an Octopus Eat? - Lesson for Kids - Study.com

    study.com/academy/lesson/what-do-octopus-eat-lesson-for-kids.html

    Octopus' diets vary with their species. Discover the anatomy an octopus uses to catch and consume its prey, as well as the specific diets of the dumbo, common, and giant Pacific octopus. Exploring ...

  8. Dumbo Octopus | Overview, Anatomy & Facts | Study.com

    study.com/academy/lesson/the-dumbo-octopus-facts-anatomy.html

    The dumbo octopus is a unique type of octopus with large ear-like fins. They inhabit the deep waters of the ocean and are rarely observed or caught. Because of this cryptic lifestyle, scientists ...

  9. Devilfish in Island of the Blue Dolphins by Scott O'Dell

    study.com/academy/lesson/devilfish-in-island-of-the-blue-dolphins.html

    Karana spears the devilfish because this is how the fish is hunted, and because she desires the meat of the devilfish. is a survival novel written by Scott O'Dell and published in 1960. Karana is ...

  10. External & Internal Anatomy of a Fish | Diagrams & Functions

    study.com/academy/lesson/anatomy-of-a-fish-internal-external.html

    There are more than 33,000 known species of fish on Earth. Fish are animals that lay eggs and are vertebrates, as their anatomy includes a backbone or spine. Fish are also cold-blooded, meaning ...

  11. Food Web of the Pacific Ocean | Trophic Levels & Ecosystems

    study.com/academy/lesson/the-food-web-of-the-pacific-ocean.html

    Larger fish as well as octopi, squid, rays, and dolphins feast on the primary consumers. Over 100 species of sharks live in the Great Barrier Reef and act as the top predator.