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TLS Online TPP Program

#Question id: 5024

Which statement is most consistent with the hypothesis that the Cambrian explosion was caused by the rise of predator-prey relationships?

#Unit 11. Evolution and Behavior

  1. increased incidence of worm burrows in the fossil record

  2. increased incidence of larger animals in the fossil record

  3. increased incidence of hard parts in the fossil record

  4. increased incidence of fern galls in the fossil record

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TLS Online TPP Program

#Question id: 19283

#Unit 9. Diversity of Life Forms

Which of the following most closely represents the male gametophyte of seed-bearing plants? 
TLS Online TPP Program

#Question id: 19284

#Unit 9. Diversity of Life Forms

Which of these is most important in making the typical seed more resistant to adverse conditions than the typical spore? 
TLS Online TPP Program

#Question id: 19285

#Unit 9. Diversity of Life Forms

What is true of stamens, sepals, petals, carpels, and pinecone scales? 
TLS Online TPP Program

#Question id: 19286

#Unit 9. Diversity of Life Forms

scale of ovulate (ovule-bearing) pinecone 
TLS Online TPP Program

#Question id: 19287

#Unit 9. Diversity of Life Forms

Integument of pine seed 
TLS Online TPP Program

#Question id: 19288

#Unit 9. Diversity of Life Forms

Egg cell in the embryo sac