Lesson 6: Domain Eukarya Kingdom Fungi

Question 1

Body of fungi

Answer 1

-body of fungi develops from a spore into a thread-like hyphae (under the ground) which grows rapidly and branches repeatedly until it resembles a tangled mass of threads call a mycelium

Question 2

exception of fungi

Answer 2

Yeast—> as they are unicellular

Question 3

Fungal reproduction- sexual

Answer 3

-hyphae of two different mating types (‘+’ and ‘-‘) can fuse to form a gamete forming structure (gametangium)

-two fused gametes form a diploid zygote nucleus which then divides by meiosis

Question 4

Phylum Oomycota: protist-like fungi

Answer 4

-mildew
-aquatic
-parasitic on lands and fish
-cell walls contain cellulose not chitin
-spores swim using a flagellum (only fungus)
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Question 5

Phylum zygomycota: common moulds

Answer 5

Most species are terrestrial organisms found primarily in soil
-black bread mold/rhizopus stolonifera but only grows on bread but anywhere is water and nutrients
-common molds life cycles includes both asexual and sexual stages

Question 6

Phylum ascomycota: sac fungi

Answer 6

-largest phylum
-includes yeasts, morels and truffles
-saprophytes that feed off of dead organisms
-sexual and asexual reproduction

Question 7

Phylum basiodiomycota: Club fungi

Answer 7

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Question 8

Poisonous mushroom of Nova Scotia

Answer 8

-squirrels & other rodents often feed on Fly Agaric, but this does not mean the fungus is edible by humans. While ingestion of a single mushroom may cause no lasting effects, consumption of yen or more can be FATAL

Question 9

Phylum Deuteromycota: Imperfect fungus

Answer 9

-cannot be placed in any other phyla because their sexual reproduction has never been observed
-resemble many of the other phyla

Question 10

Pencillium

Answer 10

Was used to produce and discover antibiotic (penicillin)

Question 11

Fungi in nature

Answer 11

-made up of 2 organisms: sac fungi and algae
-live on rocks, tree and soil
-food for some animals
-help in the formation of soil by breaking down rock

Question 12

Fungi and humans

Answer 12

-bread and alcohol industries rely on yeast
-many mushrooms are a delicacy however some are poisonous.
-potato blight and wheat rust are notable diseases of plants
- human diseases include ringworm, athletes’ foot, mouth, urinary tract and vaginal infections.
-some fungi kill other organisms