Term
Are fungi multicellular or unicellular? |
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Definition
Most are multicellular but some may be unicellular |
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Term
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Definition
thread like tubes that make up a fungus |
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Term
How are fungi cells different from plant and animal cells? |
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Definition
Fungi have multiple nuclei, much cytoplasm and do not have a cell membrane |
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Term
Why can substances move easily through a fungus? |
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Definition
fungi do not have cell membranes to keep substances in or out, and there is a lot of cytoplasm making it easy for substance to flow |
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Term
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Definition
incomplete cell wall, they separate hyphae into compartments |
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Term
What is the most common single celled fungus? |
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Definition
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Term
What do fungi use to reproduce? |
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Definition
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Term
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Definition
a reproductive cell of fungi surrounded by a protective cell wall |
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Term
How are spores dispersed? |
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Definition
They are small and lightweight so they are easily carried along by the wind |
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Term
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Definition
structure that makes and stores spores |
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Term
Describe a simple fruiting body |
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Definition
cluster of spores on a stalk |
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Term
How many spores could be in a single fruiting body? |
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Definition
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Term
Why aren't we surrounded by millions of mushrooms and puffballs? |
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Definition
Most do not find the right conditions to grow, and most that do grow do not survive to be able to product spores of their own |
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Term
Why do fungi produce large numbers of spores? |
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Definition
so the possibility of at least some of them growing is increased |
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Term
What are mushrooms shaped liked? |
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Definition
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Term
What are the main parts of the mushroom? |
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Definition
cap gills, stalk, ring, rhizoids, spores |
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Term
How do mushrooms reproduce? |
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Definition
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Term
What do yeast cells look like? |
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Definition
they are round and all are unicellular |
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Term
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Definition
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Term
What conditions are necessary for yeast to live and reproduce? |
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Definition
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Term
What gas do yeast produce? |
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Definition
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Term
Explain how yeast are able to make bread rise |
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Definition
bread dough is perfect conditions, yeast reproduce quickly and make carbon dioxide |
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Term
What does mold look like? |
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Definition
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Term
How did people centuries ago help their wounds heal? |
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Definition
put decayed cheese, fruit and bread into the wounds |
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Term
Who discovsered penicillin and when? |
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Definition
Sir alexander fleming in 1928 |
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Term
What are some fods that are made of mold? |
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Definition
tofu, blue cheese, soy sauce |
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Term
Why do farmers and gardeners spend millions of dollars each year on fungicide? |
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Definition
to protect their plants from potential fungal diseases that can make them inedible or kill them |
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Term
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Definition
powerful cancer-causing substance, can cause liver cancer to be fatal, grows on stored grain |
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Term
Why is it important to dry crops such as peanuts or corn before they are stored? |
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Definition
to remove the moisture that allows or encourages fungi to grown on the crops |
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Term
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Definition
fungus that areplaces grainsof rye with hard spiky poisonous growths |
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Term
Describe the effects of ergot on humans |
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Definition
burning or prickling sensations, hallucinations, convulsions, cuts off flow of blood to limbs |
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Term
What is the connection between ergot and the Salem witch trials? |
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Definition
historians think people were afraid of the strange sysptoms of ergot and thought the infected women were witches |
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Term
How can fungi diseases help humans? |
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Definition
can kills pests - gypsy moth caterpillars, mites, aphids |
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Term
What does mychorrikizae mean? |
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Definition
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Term
What are two ways mychorrhizae attach to roots of plants? |
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Definition
cover surface of root, or send hyphae into the rots cells |
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Term
How do these fungi help the plants? |
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Definition
increase ost's ability to gather nurtients by 10x or more, protect against drought, cold, acid raid and root diseases caused by hamful fungi |
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Term
What are australian researchers trying to do with these mychorrihizae? |
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Definition
alter the hereditary material to produce natural insecticides |
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Term
How many organisms make a lichen? |
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Definition
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Term
What is a lichen made of? |
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Definition
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Term
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Definition
a simple plantlike autotroph that uses sunlight to make its food |
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Term
What does the fungus part provide for the lichen? |
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Definition
water and minerals absorbed fromwhatever the fungus is growing on |
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Term
What does the algae part procide for the lichen? |
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Definition
uses the minerals and water to make food for the algae and itself |
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Term
Why is the relationship between alga and fungus considered to be one of the best examples of symbiosis? |
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Definition
two organisms live in a relationship with each other and both benefits |
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Term
Why are lichens called pioneers? |
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Definition
they are often the first living things to appear in rocky, barren areas. They release acids that cause rock to break down and crack. |
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