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Science, Grade 9 - 12, Botany Elective, 2005

1.) Identify the twelve plant kingdom divisions.

•  Classifying native Alabama plants using dichotomous keys
2.) Describe phylogenetic relationships between plants and other organisms.

•  Classifying plants as vascular or nonvascular
•  Classifying seed-bearing and spore-bearing plants
•  Classifying plants as gymnosperms or angiosperms
•  Contrasting monocots and dicots
•  Describing mutualism among algae and fungi in lichens
3.) List plant adaptations required for life on land.

•  Describing the alternation of generations in plants
•  Comparing characteristics of algae and plants
4.) Identify major types of plant tissues found in roots, stems, and leaves.

Examples: parenchyma, sclerenchyma, collenchyma

5.) Identify types of roots, stems, and leaves.

Examples:

- roots—tap, fibrous;

- stems—herbaceous, woody;

- leaves—simple, compound

6.) Explain the importance of soil type, texture, and nutrients to plant growth.

•  Describing water and mineral absorption in plants
•  Analyzing the roles of capillarity and turgor pressure
7.) Explain plant cell processes, including light dependent and light independent reactions of photosynthesis, glycolysis, aerobic and anaerobic respiration, and transport.

8.) Describe plant responses to various stimuli.

•  Identifying effects of hormones on plant growth
Examples: gibberellin, cytokinin, auxin

•  Differentiating among phototropism, gravitropism, and thigmotropism
9.) Identify life cycles of mosses, ferns, gymnosperms, and angiosperms.

10.) Describe the structure and function of flower parts.

•  Describing seed germination, development, and dispersal
11.) Describe various natural and artificial methods of vegetative propagation.

Examples:

- natural—stem runners, rhizomes, bulbs, tubers;

- artificial—cutting, grafting, layering

12.) Describe the ecological and economic importance of plants.

Examples:

- ecological—algae-producing oxygen, bioremediation, soil preservation;

- economic—food, medication, timber, fossil fuels, clothing

•  Analyzing effects of human activity on the plant world
13.) Identify viral, fungal, and bacterial plant diseases and their effects.

Examples:

- viral—tobacco mosaic, Rembrandt tulips;

- fungal—mildew, rust;

- bacterial—black rot

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