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TLS Online TPP Program

#Question id: 11323

Upwelling zones of high biological productivity are found along the western coasts of the major continents. What causes this upwelling?

#Unit 10. Ecological Principles
  1. Cold currents moving from the equator toward the poles
  2. Warm currents moving from the equator toward the poles
  3. Cold currents moving from the poles toward the equator
  4. Warm currents moving from the poles toward the equator
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TLS Online TPP Program

#Question id: 8862

#Unit 9. Diversity of Life Forms

The members of which class of the phylum Cnidaria occur only as polyps?
TLS Online TPP Program

#Question id: 8863

#Unit 9. Diversity of Life Forms

Which class of the phylum Cnidaria includes ʺjelliesʺ with rounded (as opposed to boxlike) medusae? 
TLS Online TPP Program

#Question id: 8864

#Unit 9. Diversity of Life Forms

Corals are most closely related to which group?
TLS Online TPP Program

#Question id: 8886

#Unit 9. Diversity of Life Forms

Which characteristic is shared by both cnidarians and flatworms?
TLS Online TPP Program

#Question id: 8887

#Unit 9. Diversity of Life Forms

Generally, members of which flatworm class(es) are nonparasitic?
TLS Online TPP Program

#Question id: 8888

#Unit 9. Diversity of Life Forms

In a small stream, you pick up a rock and observe many small, flattened worms crawling on its undersurface. You decide that they belong to the phylum Platyhelminthes. To which class do they probably belong?