Chapter 22: Problem 15
Match the terms appropriately $$ \text { hypha} \quad \quad\quad\quad\quad \text { a. produces flagellated spores } $$ $$ \text { chitin } \quad \quad\quad\quad\quad \text { b. component of fungal cell walls } $$ $$ \text { chytrid } \quad \quad\quad\quad\quad \text { c. filament of a mycelium } $$ $$ \text { zygote fungus } \quad \quad\quad\quad\quad \text { d. fungus-root partnership } $$ $$ \text { club fungus } \quad \quad\quad\quad\quad \text { e. bread mold is an example } $$ $$ \text { lichen } \quad \quad\quad\quad\quad \text { f. many form mushrooms } $$ $$ \text { mycorrhiza } \quad \quad\quad\quad\quad \text { g. single-celled fungus} $$ $$ \text { yeast } \quad \quad\quad\quad\quad \text { h. partnership between a fungus and photosynthetic cells } $$
Short Answer
Step by step solution
Match 'hypha'
Match 'chitin'
Match 'chytrid'
Match 'zygotic fungus'
Match 'club fungus'
Match 'lichen'
Match 'mycorrhiza'
Match 'yeast'
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Key Concepts
These are the key concepts you need to understand to accurately answer the question.
Hypha
- The cells in hyphae share nutrients and can transport them efficiently across the mycelium.
- Some hyphae are septate, meaning they have dividers between the cells, called septa, which often have pores to allow cell communication.
- Non-septate hyphae are called coenocytic, meaning they are one long cell not divided by septa.
Chitin
- It is also found in the exoskeletons of arthropods, such as insects and crustaceans.
- Chitin provides both rigidity and flexibility to the fungal cell walls, allowing fungi to withstand various environmental pressures.
- Because of its durability, chitin is a challenging material for most organisms to digest unless specialized enzymes are present.
Chytrid
- Chytrids are typically found in aquatic environments, though some can also exist in moist soil.
- They can be saprophytic, breaking down organic matter, or parasitic, infecting plants, insects, and even other fungi.
- Some chytrids are of ecological interest due to their role in disease, such as Batrachochytrium dendrobatidis, which has been linked to amphibian declines.
Zygotic Fungus
- Zygospores form when two compatible hyphae fuse, allowing the recombination of genetic material.
- This reproductive method results in thick-walled spores, which can withstand adverse conditions.
- These fungi often grow on decaying material and play a significant role in decomposition.
Club Fungus
- Named for their club-like structures, or basidia, which are where spores are produced.
- Basidiospores are released from these structures, helping in the fungal life cycle by spreading new generations.
- They play crucial roles in ecosystems as decomposers and symbionts, and some form mycorrhizal relationships with trees.
Lichen
- This partnership allows lichens to inhabit extreme environments, from arctic tundras to arid deserts.
- The fungal component provides structure and protection, while the photosynthetic partner contributes nutrients through photosynthesis.
- Lichens are important indicators of environmental health, as they are sensitive to pollution, especially air quality.
Mycorrhiza
- The fungus enhances water and nutrient uptake for the plant, while the plant supplies the fungus with carbohydrates.
- There are two main types: ectomycorrhiza, which envelop the roots, and endomycorrhiza, which penetrate root cells.
- This symbiosis is crucial for plant vigor and the maintenance of ecological balance in many ecosystems.
Yeast
- They reproduce asexually by budding, where a new cell forms from the surface of an old cell.
- Yeast is crucial in industries like bread making, brewing, and winemaking due to its ability to ferment sugars.
- Some yeast species, like Saccharomyces cerevisiae, are significant model organisms in biological research due to their simple eukaryotic structure.