Fungus Among Us

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Information about Fungus Among Us
Education

Published on February 12, 2009

Author: coachmckay

Source: slideshare.net

Description

Notes for chapter 4 in Prentice hall science books for parade of life.

Fungus Among Us 7 th Grade Life Science Mr. McKay

Forms There are 3 forms of Fungus Sac Club Zygospore

There are 3 forms of Fungus

Sac

Club

Zygospore

How Fungus Get Energy Heterotrophs Carnivorous Parasite Cordyceps Fungus Symbiosis Decomposers

Heterotrophs

Carnivorous

Parasite

Cordyceps Fungus

Symbiosis

Decomposers

Structure Most are Multi-cellular few are unicellular Yeast Plantlike Do not move Have a cell wall

Most are Multi-cellular

few are unicellular

Yeast

Plantlike

Do not move

Have a cell wall

Fungus Reproduction Fruiting Body Produces spores Spores Tiny cells enclosed in a protective cell wall Budding Yeasts

Fruiting Body

Produces spores

Spores

Tiny cells enclosed in a protective cell wall

Budding

Yeasts

Forms: Mushrooms Structure Stalk Ring Cap Cap Spores Gills Hyphae Mushroom Madness

Structure

Stalk

Ring

Cap

Cap Spores

Gills

Hyphae

Mushroom Madness

Toadstool Vs. Mushroom “ Toadstool“ Often, but not exclusively, applied to poisonous mushrooms German "todesstuhl" translates as "death's stool“ The classic example of a toadstool is Amanita muscaria .

“ Toadstool“

Often, but not exclusively, applied to poisonous mushrooms

German "todesstuhl" translates as "death's stool“

The classic example of a toadstool is Amanita muscaria .

Forms: Mold Molds Include all species of microscopic fungi that grow in the form of multicellular filaments, called hyphae threadlike structures that anchor and transport food to other parts of fungus Mold Spore Molds reproduce through small spores Some can remain airborne indefinitely, and many are able to survive extremes of temperature and pressure Mold Video

Molds

Include all species of microscopic fungi that grow in the form of multicellular filaments, called hyphae

threadlike structures that anchor and transport food to other parts of fungus

Mold Spore

Molds reproduce through small spores

Some can remain airborne indefinitely, and many are able to survive extremes of temperature and pressure

Sir Alexander Fleming Scottish scientist 1928, Discovered a substance by the mold Penicillium could kill certain bacteria that were associated with infections Fleming Video Hyphae Spores

Scottish scientist

1928, Discovered a substance by the mold Penicillium could kill certain bacteria that were associated with infections

Fleming Video

Forms: Yeast Single Celled Bread dough rises as yeast grows and produces carbon dioxide Reproduce by budding

Single Celled

Bread dough rises as yeast grows and produces carbon dioxide

Reproduce by budding

Fungi Affects on Other Organisms Disease in plants Destroy plants and crops Corn Smut Produce toxins Can injure or kill humans and animals Aflatoxin can cause cancer Produced in stored grain when moist Ergot – replaces grains of rye with poison spikes causes hallucinations and convulsions

Disease in plants

Destroy plants and crops

Corn Smut

Produce toxins

Can injure or kill humans and animals

Aflatoxin can cause cancer

Produced in stored grain when moist

Ergot – replaces grains of rye with poison spikes causes hallucinations and convulsions

Disease in Humans Athletes Foot Ringworm Thrush Valley Fever

Athletes Foot

Ringworm

Thrush

Valley Fever

Helpful Fungus Fungus – root association Mycorrhizae - a symbiotic association between a fungus and the roots of a plant Help host gather nutrients Protect from disease caused by other fungi Helpful fungi coat about 80% of the world’s plants Fairy Rings Some mycorrhizae send up mushrooms or puffballs

Fungus – root association

Mycorrhizae - a symbiotic association between a fungus and the roots of a plant

Help host gather nutrients

Protect from disease caused by other fungi

Helpful fungi coat about 80% of the world’s plants

Fairy Rings

Some mycorrhizae send up mushrooms or puffballs

Lichens Lichens are very diverse in their environment Lichens are made of fungus and alga Very hot to very cold, neither of which either could live in alone Fungus and alga live together Alga Uses sunlight to produce food Lacks true roots, stems, and leaves Fungi Provides water and minerals Absorbed from what it may be growing on Pioneers One of first living organisms rocky barren areas

Lichens are very diverse in their environment

Lichens are made of fungus and alga

Very hot to very cold, neither of which either could live in alone

Fungus and alga live together

Alga

Uses sunlight to produce food

Lacks true roots, stems, and leaves

Fungi

Provides water and minerals

Absorbed from what it may be growing on

Pioneers

One of first living organisms

rocky barren areas

Decomposers Some fungi the parasitic and mutualistic symbionts, obtain their nutrients from living organisms. This activity of fungi is essential for the continuation of life on earth. The fungi play an important part in degrading these molecules and thereby replenishing the carbon dioxide of the atmosphere. Without degradative processes, life on earth would probably come to an end after a few decades because of the accumulation of plant remains and lack of free atmospheric carbon dioxide for photosynthesis.

Some fungi the parasitic and mutualistic symbionts, obtain their nutrients from living organisms.

This activity of fungi is essential for the continuation of life on earth. The fungi play an important part in degrading these molecules and thereby replenishing the carbon dioxide of the atmosphere.

Without degradative processes, life on earth would probably come to an end after a few decades because of the accumulation of plant remains and lack of free atmospheric carbon dioxide for photosynthesis.

Fungus as Food Fungi have been exploited since ancient times to produce various types of foods and beverages. Ancient Egyptians regarded fermentation as a gift from the god Osiris Where as ancient Romans attributed the appearance of mushrooms and truffles to lightening bolts cast to the earth by Jupiter Today there are hundreds of food products which involve the use of a fungal organism for their production. Examples of such food products are: fermented beverages, mushrooms, soy sauce and aged cheeses. Truffle Farming Fungus in Man

Fungi have been exploited since ancient times to produce various types of foods and beverages.

Ancient Egyptians regarded fermentation as a gift from the god Osiris

Where as ancient Romans attributed the appearance of mushrooms and truffles to lightening bolts cast to the earth by Jupiter

Today there are hundreds of food products which involve the use of a fungal organism for their production.

Examples of such food products are: fermented beverages, mushrooms, soy sauce and aged cheeses.

Truffle Farming

Fungus in Man

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