Angiosperms: Structure and Function

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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?

Through photosynthesis Signup and view all the answers

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

Oceans Signup and view all the answers

What is true about the climate in Montana?

It varies greatly depending on the season and location 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?

10% Signup and view all the answers

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

It has declined dramatically Signup and view all the answers

Which eukaryotic group contributes most to global photosynthetic oxygen production?

Diatoms Signup and view all the answers

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

Diatom Signup and view all the answers

What is the closest known relative of eukaryotes?

Asgard Archaea Signup and view all the answers

What is evidence for the Endosymbiont Theory?

Mitochondria and chloroplasts retain remnants of circular bacterial DNA Signup and view all the answers

What is a characteristic of fungal absorptive heterotrophy?

large surface-to-volume area Signup and view all the answers

What is the correct statement about protists?

They are not monophyletic Signup and view all the answers

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

diatoms Signup and view all the answers

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

chytrid fungi Signup and view all the answers

Which of the following statements about stramenopiles is correct?

Photosynthetic stramenopiles obtained chloroplast by secondary endosymbiosis Signup and view all the answers

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

They are unicellular Signup and view all the answers

When did land plants first appear on Earth?

400-500 million years ago Signup and view all the answers

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

Waxy cuticle Signup and view all the answers

What is a major limitation of nonvascular land plants?

Inefficient water conduction Signup and view all the answers

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

Wind Signup and view all the answers

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

Vascular and non- Alternation of generations Signup and view all the answers

How long ago did the first life on Earth appear?

Less than 4 billion years ago Signup and view all the answers

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

Both b and c Signup and view all the answers

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

Large mammals that are now extinct Signup and view all the answers

What characteristic do seed plants possess that aids their survival?

Seeds with food reserves for the young sporophyte Signup and view all the answers

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