Lesson 11 & 12
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Sporangia | structure in which spores are produced, means spore container
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| Rachis | central stalk of the frond
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| Pinnae | leaflets that are attached to the rachis
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| Sori | a cluster of sporangia on the underside of a fern frond
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| Prothallus | tiny, heart shaped plantlet
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| Rhizoids | root-like structures attached to the prothallus
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| Antheridia | male parts of the prothallus
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| Archegonia | female part of the prothallus, contains the eggs
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| Fiddlehead | young, unfurled frond of a fern
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| Gemma | a little packet of cells that can produce a new prothallus somewhere else
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| Where do you usually find ferns in the forest? | shade of the forest floor
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| Why are ferns found in these areas? | they like moist areas
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| What is a frond? | a fern leaf
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| What are spots sometimes found on the underside of a frond? | Sori, which are groups of sporangia
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| In the fern life cycle, what is the little structure with male and female plant parts? | Prothallus
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| What must be present for the sperm to reach the egg? | Water
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| What is the little baby frond that unfurls called? | Fiddlehead
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| What are some ways ferns produce new plants? | They can produce runners, some leaves can produce a new fern if they touch the soil, and the prothallus can also make a gemma.
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| What are tree ferns? | large ferns that look like trees
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| How are they different from cycads and palms? | The trunks are not made of wood, and they reproduce with spores. At certain times, they also have fiddleheads.
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| Bryophytes | nonvascular plants
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| Desiccate | the ability to dry out for long periods of time without dying
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| Algae | microscopic creatures that typically live in water
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| Fungus | living organism that feeds off of dead creatures
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| Decomposer | class of organisms that feed off living things, they "break down" dead things and recycle them back into creation
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| Symbiosis | when two different orgamisms form a relationship where each is dependent on one another
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| Dormant | the period of time in which an organism's activity and growth stops
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| Sporophyte | the stage in the life cycle in which a plant produces spores
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| Gametophyte | the stage in the life cycle in which a plant produces gametes or sex cells
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| Pigments | a chemical that produces color
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| Will lichen die if it dries out? Explain | No. They have a special ability to dry out without dying called desiccate.
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| From where do lichen get water? | The air
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| List some uses for lichen. | Good for environment, break down rocks to produce soil; they are a source of food for animals; and a home for insects.
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| List some uses for algae. | Nutritional supplements, cosmetics, toothpaste, ice cream, and even medicine.
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| Where can you find algae? | Usually in water.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
LiseBrinkley
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