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WSU Biology 106 Exam 2 Questions With 100% Verified Answers.
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WSU Biology 106 Exam 2 Questions With 100% Verified Answers. Fungi - answerheterotrophs that feed by absorption Heterotrophs - answerabsorb nutrients from outside the body Roles of fungi - answerdecomposers, parasites, mutualists (symbiotic and microrizzae), early land colonizers What do fung...

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  • October 2, 2024
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  • 2024/2025
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WSU Biology 106 Exam 2 Questions With
100% Verified Answers.


Fungi - answer✔heterotrophs that feed by absorption

Heterotrophs - answer✔absorb nutrients from outside the body

Roles of fungi - answer✔decomposers, parasites, mutualists (symbiotic and microrizzae), early
land colonizers

What do fungi use to break complex molecules? - answer✔Enzymes

Chitin - answer✔made of cellulose, make up the cell walls of fungi

Hyphae - answer✔continuous strands above/below ground, generate spores, colonizes soil

Fungi life cycle - answer✔

Mycellum - answer✔a collective group of hyphae

Karyogamy - answer✔fusion of genetic information

Diploid phase following karyogamy - answer✔short lived (2n) spore producing structures and
(1n) spores

Chytrids - answer✔-found in freshwater and terrestrial habitats
-decomposers, mutualistic, saprobic, or parasitic
-diverged early in fungal evolution
-zoospores: flagellated spores

Zygomycetes - answer✔fast growing bread and fruit molds, zygosporangia

zygosporangia - answer✔site of karyogamy and then meiosis

Pilobolus - answer✔aim their sporangia to the light

Glomeromycetes - answer✔Arbuscular mycorrhizae

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Mutually beneficial relationships between fungi and plant roots

Mycorrhizae - answer✔-"fungus roots"
-delivers minerals and receives organic nutrients
-increase plant productivity
-strong added benefit to plants

Ectomycorrhizal fungi - answer✔grow in extracellular spaces of roots

Endomycorrihizal fungi - answer✔hyphae go through cell wall to plasma membrane

Ascomycetes - answer✔-produce saclike asci contained in fruiting bodies called ascocarps

Ascocarps - answer✔cup like structures that produce spores

Basidiomycetes - answer✔-Decomposers of wood
-mushrooms, puffballs, shelf fungi, mycorrhizae, plant parasites

Decomposers - answer✔essential recycling between living and nonliving world

Fungus plant symbiosis - answer✔mycorrhizae

Fungus animal symbiosis - answer✔help break down plant material

Lichens - answer✔symbiotic association of photosynthetic microorganisms held in fungal
hyphae

Algae or cyanobacteria - answer✔occupy an inner layer below lichen surface

Pathogens - answer✔parasites in or on plants, 30% of known fungal species

Practical uses of fungi - answer✔-make cheese, alc, bread
-genetic research on fungi is leading to applications in biotechnology
-antibiotics produced by fungi treat bacterial infections

Derived traits of land plants - answer✔-apical meristems
-alternation of generations (diploid to haploid)
-walled spores produced in sporangia
-multicellular gametangia
-multicellular dependent embryos

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