Protist Life Cycle Diversity

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Questions and Answers

What is a defining feature of mixotrophs?

  • Can only engage in photoautotrophy
  • Lack chloroplasts
  • Can switch between photoautotrophy and heterotrophy (correct)
  • Can only engage in heterotrophy

Which is a method protists use to reproduce sexually?

  • Fusion of gametes (correct)
  • Fragmentation
  • Binary fission
  • Budding

Which eukaryotic supergroup is characterized by organisms like choanoflagellates?

  • Amoebozoa
  • Opisthokonta (correct)
  • Archaeplastida
  • Rhizaria

What distinguishes Rhizaria from other supergroups?

<p>Shell-like structures (C)</p> Signup and view all the answers

Which supergroup includes red and green algae with photosynthetic abilities similar to land plants?

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

What can trigger the switch from asexual to sexual reproduction in protists?

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

What is a key characteristic of Chytridiomycota in terms of reproduction?

<p>They form zygospores during sexual reproduction. (B)</p> Signup and view all the answers

Which phylum includes species like black bread mold?

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

What is the main role of fungi in various ecosystems?

<p>Breaking down dead organic matter (C)</p> Signup and view all the answers

Which phylum of fungi is characterized by the production of basidiospores on club-like basidia?

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

What distinguishes Glomeromycota in terms of reproduction?

<p>They almost exclusively reproduce asexually. (D)</p> Signup and view all the answers

In which phylum of fungi do yeasts and truffles belong?

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

What type of life cycle do fungi primarily have?

<p>Primarily haploid with a transient diploid stage (B)</p> Signup and view all the answers

Which process in fungal reproduction involves the fusion of cytoplasm between two different mating types?

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

What is a key similarity between fungi and animals in terms of metabolism?

<p>Both store carbohydrates as glycogen (C)</p> Signup and view all the answers

Which characteristic do fungi share with bacteria in terms of their role in ecosystems?

<p>Absorption of nutrients across the cell surface (B)</p> Signup and view all the answers

How do fungi primarily obtain nutrients for their survival?

<p>Direct absorption through their hyphae (D)</p> Signup and view all the answers

What characterizes asexual reproduction in fungi?

<p>Formation of genetically identical spores (D)</p> Signup and view all the answers

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