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In the Insight to A National Geographic Explorer segment about Sylvia Earle's encounter with an octopus, we learn that humans are newcomers who have managed to dominate the earth in a relatively short time.  Why does she have a problem with this? What are some problems that you could envision from human dominance

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Compare and contrast the three phyla of worms. Which is considered to be the most evolutionarily advanced?

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What phylum contains sea jellies?


A) Porifera
B) Cnidaria
C) Echinodermata
D) Platyhelminthes

E) B) and D)
F) None of the above

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Platyhelminthes were the first organisms to have:


A) fully developed brain.
B) notochord.
C) central nervous system.
D) eyes

E) C) and D)
F) B) and D)

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What is a relatively large classification for a group of animals that share similar architecture, level of complexity, and evolutionary history?


A) Order
B) Phylum
C) Family
D) Genus

E) C) and D)
F) A) and C)

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What is an ophiuroid?


A) Sea urchins
B) Tunicate
C) Salps
D) Brittle stars

E) A) and B)
F) All of the above

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The vertebrates' skull made the evolution of intelligence feasible.

A) True
B) False

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What animal is responsible for building tropical reefs? What is the term for this behavior? What kind of symbiosis occurs within the tissues of these organisms?

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The symmetry in worms represents the transition from simple to advanced organisms.

A) True
B) False

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What is considered the most advanced animal phyla?


A) Chordata
B) Echinodermata
C) Mollusca
D) Arthropoda

E) All of the above
F) None of the above

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