FUNGI CH 9 SEC 4 GOAL/PURPOSE  AFTER COMPLETING THE LESSON, STUDENTS WILL BE ABLE TO  NAME THE CHARACTERISTICS FUNGI SHARE  EXPLAIN HOW FUNGI REPRODUCE.

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Presentation transcript:

FUNGI CH 9 SEC 4

GOAL/PURPOSE  AFTER COMPLETING THE LESSON, STUDENTS WILL BE ABLE TO  NAME THE CHARACTERISTICS FUNGI SHARE  EXPLAIN HOW FUNGI REPRODUCE  DESCRIBE THE ROLES FUNGI PLAY IN NATURE

WHAT ARE FUNGI?  KEY- MOST FUNGI SHARE SEVERAL IMPORTANT CHARACTERISTICS  KEY- FUNGI ARE EUKARYOTES THAT HAVE CELL WALLS.  KEY- FUNGI ARE HETEROTROPHS THAT FEED BY ABSORBING THEIR FOOD  KEY- FUNGI USE SPORES TO REPRODUCE

CELL STRUCTURE  KEY – FUNGI RANGE IN SIZE FROM TINY UNICELLULAR YEAST TO LARGE MULTICELLULAR FUNGI.  HYPHAE- SINGULAR HYPHA- FUNGI ARE BRANCHING THREADLIKE TUBES THAT MAKE UP THE BODIES OF MULTICELLULAR FUNGI.  KEY- SOME FUNGI LIKE MOLDS GROW AND SPREAD THE HYPHAE OVER ITS FOOD SOURCE

HYPHAE

HYPHAE

CONT’D  KEY- OTHERS HYPHAE ARE MORE TIGHTLY PACKED AND APPEAR SOLID  EX- MUSHROOM  COPY AND LABEL FIGURE 25 FROM TEXT P. 345  KEY- FUNGI ABSORBS FOOD THROUGH HYPHAE THAT GROW INTO A FOOD SOURCE

VARIETY OF SIZES AND SHAPES

REPRODUCTION  KEY- FUNGI USUALLY REPRODUCE BY MAKING SPORES.  KEY- THE LIGHTWEIGHT SPORES ARE SURROUNDED BY A PROTECTIVE COVERING AND CAN BE CARRIED EASILY THROUGH THE AIR OR WATER TO NEW SITES

SPORES

 versityoflife/fungi/ versityoflife/fungi/ versityoflife/fungi/

ROLE OF FUNGI IN NATURE  KEY- MANY FUNGI PROVIDE FOODS FOR PEOPLE. EX- MUSHROOM  KEY- FUNGI PLAY IMPORTANT ROLES AS DECOMPOSERS AND RECYCLERS ON EARTH. EX- BREAKDOWN PLANTS ON FOREST FLOOR  KEY- SOME FUNGI CAUSE DISEASE, WHILE OTHERS FIGHT DISEASE. EX- ANTIBIOTIC PENICILLIN AND PLANT DISEASE  KEY- SOME FUNGI LIVE IN SYMBIOSIS WITH OTHER ORGANISMS EX- ORCHID SEEDS NEED FUNGI TO DEVELOP.

DECOMPOSERS

COPY AND ANSWER THE FOLLOWING QUESTIONS  1. HOW ARE THE CELLS OF A BREAD MOLD ARRANGED? HOW ARE THE CELLS OF MUSHROOM ARRANGED?  2. HOW DOES A FUNGUS ABSORB FOOD?  3. DESCRIBE SPORES AND THEIR ROLE IN REPRODUCTION OF FUNGI?  4. NAME AND DESCRIBE SIX ROLES FUNGI PLAY IN NATURE.  5. WHAT ARE LICHENS AND WHY DO SCIENTIST STUDY THEM?