Exam 15: Marine Animals

Platyhelminthes were the first organisms to have:

What phylum contains sea jellies?

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

What is an ophiuroid?

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

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

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

What is considered the most advanced animal phyla?

The vertebrates' skull made the evolution of intelligence feasible.

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?