Questions and Answers
What type of microorganism is described as a prokaryote and decomposer?
What are the main characteristics of fungi?
Eukaryotic, obtain food from organisms, have a cell wall, includes molds and yeast.
Algae are prokaryotic organisms.
False
What term is used to describe protozoa?
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Viruses are classified as eukaryotic organisms.
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What type of microorganisms are helminths?
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Study Notes
Bacteria
- Prokaryotic microorganisms, lacking a defined nucleus.
- Highly diverse, existing in various environments and forms.
- Single-celled organisms that reproduce asexually.
- Exhibit specific shapes, including cocci (spherical), bacilli (rod-shaped), and spirilla (spiral).
- Function as decomposers, breaking down organic matter in ecosystems.
- Possess rigid cell walls composed of peptidoglycan, aiding in structural integrity and communication.
Fungi
- Eukaryotic organisms characterized by complex cellular structures.
- Obtain nutrients through absorption from living or decaying organic matter.
- Feature cell walls composed of chitin, distinguishing them from plants.
- Include various forms such as molds and yeasts, which play essential roles in decomposition and fermentation.
Algae
- Eukaryotic, photosynthetic organisms that contribute significantly to aquatic ecosystems.
- Can be unicellular or multicellular, with examples ranging from microscopic phytoplankton to macroscopic seaweeds.
- Typically green due to chlorophyll, thriving near the surface of freshwater and marine environments.
- Possess rigid cell walls but lack peptidoglycan, differing from bacterial cells.
Protozoa
- Eukaryotic microorganisms often referred to as "first animals" due to their animal-like characteristics.
- Primarily found in aquatic environments and within the bodies of animals.
- Exhibit diverse forms and functions, including predatory behavior and symbiotic relationships.
Virus
- Unique infectious agents that do not consist of cells and are neither prokaryotic nor eukaryotic.
- Composed of genetic material (DNA or RNA) encased in a protein coat.
- Cannot reproduce independently; require host cells for replication and propagation.
Helminth
- Parasitic worms that inhabit the bodies of other organisms, often causing disease.
- Includes various types such as flukes, roundworms, and tapeworms, each with distinct life cycles and transmission methods.
- Contribute to public health concerns due to their impact on human and animal health.
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Description
This quiz covers essential information about three major groups of microorganisms: bacteria, fungi, and algae. You'll learn about their unique characteristics, functions in ecosystems, and cellular structures. Test your knowledge on these vital life forms and their roles in the environment.
