Biological Change: Unity and Diversity
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Obtain information and ask questions about the advantages and disadvantages of the basic plant life cycle (alternation of generations). Compare variations in this life cycle among major groups of plants.
Use a model angiosperm to differentiate plant organs and the tissues from which they are made. Use the model to explain how the plant structures: provide support; regulate gas exchange; obtain and use energy; and process and distribute nutrients.
Design and carry out an investigation examining the function of plant hormones.
Develop a model explaining plant tropisms at different scales (cell, tissue, organ, system). Use the model to predict how plants will respond in various environmental conditions.
Create an argument from evidence regarding the importance of plant relationships including symbiosis and co-evolutionary relationships (examples: mycorrhizae, Rhizobium, pollination, etc.).