Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download Reproduction and Heredity
Document related concepts
Transcript
Reproduction and Heredity 2.15.12 Cool Examples of Asexual Reproduction Spider Plant Plantlet produced at the end of stolons, or runners (slender stems that grow along the soil surface, or in this case, hang from the main plant body) Strawberries (Fragaria ananassa) Asplenium rhizophyllum, The Tips of leaves form “Walking Fern” roots and produce new plants when they touch the soil Clonal Aspen Stands • Sudden Aspen Decline • Global warming and Aspen- climate relationships • Root systems are connected Redwood Tree Rings Vegetative propagation of Potatoes • Irish potato famine • Issues with monocultures Adventitious shoots forming on potato, “eyes.” tubers Dodder, Cuscuta • Parasitic plant • Spreading disease • Propagated by fragments of stem Dandelions and Apomixis Also vegetatively propagated from roots! Kalanchoe and its Plantlets • “Mother of thousands” • Complete loss of sexual reproduction Sexual Reproduction Alternation of Generation Lab Practical Format • 20-25 powerpoint slides (2 min each) – Identify specimens and answer questions about them • 5 microscopes slides (3-5 min each) – ID specimens and answer questions • • • • 10-15 Fill in the blanks 10-15 Multiple choice 6 out of 7 Short Answers 1 Design an experiment based on information provided and answer questions
