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Questions and Answers

Archaebacteria and Eubacteria are both types of bacteria, but they differ in several key aspects. Which of the following is a primary difference between them?

  • Eubacteria reproduce through binary fission, whereas Archaebacteria reproduce sexually.
  • Archaebacteria have a different cell wall composition and can live in extreme environments, while Eubacteria are more common and found in less harsh conditions. (correct)
  • Archaebacteria are always harmful, while Eubacteria are always beneficial.
  • Archaebacteria are only found in soil, while Eubacteria are only found in water.

Viruses reproduce by independently replicating their own DNA and dividing, similar to bacteria.

False (B)

Malaria is spread by mosquitoes, but what is the actual causative organism responsible for the disease?

Protozoans (Plasmodium)

A symbiotic combination of algae and fungi forms a ________.

<p>lichen</p> Signup and view all the answers

Match the following bacterial shapes with their correct description:

<p>Bacillus = Rod-shaped Coccus = Spherical-shaped Spirillum = Spiral-shaped</p> Signup and view all the answers

Flashcards

Bacteria

Single-celled organisms lacking a nucleus; some are beneficial, others cause disease.

Virus

A non-cellular infectious agent that replicates only inside the living cells of an organism.

Binary Fission

Asexual reproduction in bacteria where one cell divides into two identical cells.

Protista

A diverse kingdom of eukaryotic organisms, many are single-celled, and often called the 'misfit' kingdom.

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Saprophyte

Organisms that obtain nutrients from dead or decaying organic matter; important for decomposition.

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Study Notes

  • Vocabulary Includes Bacteria, Archaebacteria, Eubacteria, Cyanobacteria, Bacillus, Coccus, Spirillum, Binary Fission, and Parasite.
  • Vocabulary Includes Virus, Latent, Lytic, Interferons, Protista, Protozoans, Pseudopods, Conjugation, and Saprophyte.
  • Vocabulary Includes Cilia, Flagella, Algae, Fragmentation, Fungi, Hyphae, Rhizoids, Lichen, and Mycorrhizae.
  • Study the differences between Archaebacteria and Eubacteria.
  • Study the differences between the bacteria kingdoms and other kingdoms.
  • Know the different shapes of bacteria.
  • Know the characteristics of bacteria.
  • Understand that most bacteria do not cause disease.
  • Study how viruses reproduce.
  • Study the two types of protists.
  • Know how paramecia eat.
  • Study the methods of reproduction for bacteria and protists.
  • Study how Malaria spreads and the organism responsible.
  • Study what causes red tide.
  • Understand the relationship within lichens.
  • Understand the relationship within mycorrhizae.
  • The kingdom protista is a misfit kingdom.
  • Be able to identify the parts of a mushroom.
  • Know what organisms are decomposers
  • Know why bacteria do not grow indefinitely.
  • Know the ways that protists are beneficial and harmful.
  • Study the ways that fungi are beneficial and harmful.
  • Study the problems caused and ways fungi have helped our world.

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