Difference between revisions of "AY Honors/Flowers - Advanced/Answer Key"
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(/* 5. Tell the difference between perfect and imperfect flowers. What is meant by pistillate and staminate flowers? Give an example of monoecious and dioecious plants. Tell the difference between mono) |
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==4. Prove ability to use plant keys to genus and species.== | ==4. Prove ability to use plant keys to genus and species.== | ||
==5. Tell the difference between perfect and imperfect flowers. What is meant by pistillate and staminate flowers? Give an example of monoecious and dioecious plants. Tell the difference between monocotyledons and dicotyledons.== | ==5. Tell the difference between perfect and imperfect flowers. What is meant by pistillate and staminate flowers? Give an example of monoecious and dioecious plants. Tell the difference between monocotyledons and dicotyledons.== | ||
| + | ===Perfect and Imperfect=== | ||
| + | The terms ''perfect'' and ''imperfect'' as pertaining to flowers relates to their sexuality. Flowers are the sexual organs of a plant, and they may contain male (stamens), female (pistils), or both parts. A plant is said to be ''perfect'' if it possesses both male and female equivalent parts. If a flower has only male, or only female structures, it is said to be ''imperfect''. | ||
| + | |||
| + | ===Pistillate and Staminate=== | ||
| + | A flower is pistillate if it possesses only pistils, which are a plant's female reproductive structures. If it possesses only stamens (the male reproductive structures), it is called ''staminate''. | ||
| + | ===Monoecious and Dioecious=== | ||
| + | {{TODO|Add examples}} | ||
| + | ;Monoecious: Having unisexual reproductive units (flowers, conifer cones, or functionally equivalent structures) of both sexes appearing on the same plant; from Greek for "one household". Individuals bearing flowers of both sexes at the same time are called simultaneously monoecious. Individuals that bear only flowers of a single sex at one time are called consecutively monoecious; "protoandrous" describes individuals that function first as males and then change to females; "protogynous" describes individuals that function first as females and then change to males. | ||
| + | ;Dioecious: Having unisexual reproductive units (flowers, conifer cones, or functionally equivalent structures) occurring on different individuals; from Greek for "two households". | ||
| + | ===Monocotyledons and Dicotyledons=== | ||
==6. From the Bible point out two spiritual lessons in which writers used flowers for illustrations.== | ==6. From the Bible point out two spiritual lessons in which writers used flowers for illustrations.== | ||
Revision as of 05:53, 1 August 2007
1. Have the Flower Honor.
2. Photograph, collect pictures of or sketch 75 species of flowers. Make a scrapbook from these and correctly label each flower.
3. Give the distinguishing characteristics of the flowers of each of the 12 common plant families.
Adventist Youth Honors Answer Book/Flower families
4. Prove ability to use plant keys to genus and species.
5. Tell the difference between perfect and imperfect flowers. What is meant by pistillate and staminate flowers? Give an example of monoecious and dioecious plants. Tell the difference between monocotyledons and dicotyledons.
Perfect and Imperfect
The terms perfect and imperfect as pertaining to flowers relates to their sexuality. Flowers are the sexual organs of a plant, and they may contain male (stamens), female (pistils), or both parts. A plant is said to be perfect if it possesses both male and female equivalent parts. If a flower has only male, or only female structures, it is said to be imperfect.
Pistillate and Staminate
A flower is pistillate if it possesses only pistils, which are a plant's female reproductive structures. If it possesses only stamens (the male reproductive structures), it is called staminate.
Monoecious and Dioecious
- Monoecious
- Having unisexual reproductive units (flowers, conifer cones, or functionally equivalent structures) of both sexes appearing on the same plant; from Greek for "one household". Individuals bearing flowers of both sexes at the same time are called simultaneously monoecious. Individuals that bear only flowers of a single sex at one time are called consecutively monoecious; "protoandrous" describes individuals that function first as males and then change to females; "protogynous" describes individuals that function first as females and then change to males.
- Dioecious
- Having unisexual reproductive units (flowers, conifer cones, or functionally equivalent structures) occurring on different individuals; from Greek for "two households".
