Angiosperms: Structure and Function
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Questions and Answers

What is the primary function of the additional tissue surrounding the seed in Angiosperm fruits?

  • To provide additional nutrition to the embryo
  • To improve pollination
  • To reduce fungal infection of the seeds
  • To entice animals to eat the fruits and disperse the seeds (correct)

Which of the following traits is shared by both ascomycetes and basidiomycetes?

  • Absorptive heterotrophy
  • Chitin
  • Dikaryon
  • All of the above (correct)

What would happen to the Earth's carbon cycle if all fungi were to suddenly disappear?

  • It would come to a complete halt
  • It would speed up dramatically
  • It would remain unchanged
  • It would slow down dramatically (correct)

How do lichens obtain their organic carbon?

<p>Through photosynthesis (C)</p> Signup and view all the answers

Where is most of the energy in the Earth's climate system stored?

<p>Oceans (A)</p> Signup and view all the answers

What is true about the climate in Montana?

<p>It varies greatly depending on the season and location (C)</p> Signup and view all the answers

What percentage of the Yellowstone to Yukon region was contained in protected core areas when the conservation initiative was launched in 1993?

<p>10% (D)</p> Signup and view all the answers

What has been the trend in the total weight of terrestrial mammalian wildlife worldwide since 1900?

<p>It has declined dramatically (B)</p> Signup and view all the answers

Which eukaryotic group contributes most to global photosynthetic oxygen production?

<p>Diatoms (C)</p> Signup and view all the answers

What is the identity of the organism in your ocean water sample?

<p>Diatom (D)</p> Signup and view all the answers

What is the closest known relative of eukaryotes?

<p>Asgard Archaea (B)</p> Signup and view all the answers

What is evidence for the Endosymbiont Theory?

<p>Mitochondria and chloroplasts retain remnants of circular bacterial DNA (A)</p> Signup and view all the answers

What is a characteristic of fungal absorptive heterotrophy?

<p>large surface-to-volume area (B)</p> Signup and view all the answers

What is the correct statement about protists?

<p>They are not monophyletic (C)</p> Signup and view all the answers

Which of the following organisms is most closely related to fungi?

<p>diatoms (A)</p> Signup and view all the answers

What is the primary cause of the global decline of amphibians?

<p>chytrid fungi (C)</p> Signup and view all the answers

Which of the following statements about stramenopiles is correct?

<p>Photosynthetic stramenopiles obtained chloroplast by secondary endosymbiosis (B)</p> Signup and view all the answers

What is a characteristic of most lineages of Eukaryotes on the Tree of Life?

<p>They are unicellular (B)</p> Signup and view all the answers

When did land plants first appear on Earth?

<p>400-500 million years ago (C)</p> Signup and view all the answers

What innovation allowed plants to reduce their reliance on water for reproduction?

<p>Waxy cuticle (C)</p> Signup and view all the answers

What is a major limitation of nonvascular land plants?

<p>Inefficient water conduction (A)</p> Signup and view all the answers

What is the primary means of pollination for coniferous gymnosperms like pines?

<p>Wind (B)</p> Signup and view all the answers

What traits will a plant growing on the bank of Rattlesnake Creek likely have?

<p>Vascular and non- Alternation of generations (B)</p> Signup and view all the answers

How long ago did the first life on Earth appear?

<p>Less than 4 billion years ago (D)</p> Signup and view all the answers

What feature of seed plants has contributed to their evolutionary success?

<p>Both b and c (C)</p> Signup and view all the answers

What is a likely explanation for the dispersal of the large fruit of the tree you discovered?

<p>Large mammals that are now extinct (A)</p> Signup and view all the answers

What characteristic do seed plants possess that aids their survival?

<p>Seeds with food reserves for the young sporophyte (B)</p> Signup and view all the answers

What is a common feature among seed plants, sperm and eggs, and spores?

<p>Waxy cuticle (A)</p> Signup and view all the answers

What is a key advantage of seeds in seed plants?

<p>They have a resting stage that can remain viable for many years (B)</p> Signup and view all the answers

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