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TLS Online TPP Program

#Question id: 9199

Ecosystem services include processes that increase the quality of the abiotic environment. Which of the following processes would fall under this category?

#Unit 9. Diversity of Life Forms
  1. Keystone predators have a marked effect on species diversity.
  2. Green plants and phytoplankton produce the oxygen we breathe.
  3. Bees, flies, and wasps pollinate many plants.
  4. The presence of dams improves flood control.
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TLS Online TPP Program

#Question id: 8861

#Unit 9. Diversity of Life Forms

Which of the following is true of members of the phylum Cnidaria?
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?