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Thinking Scientifically
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1. In reference to the life cycles (Figure 28.9):
a. The timing of what one element determines whether or not a diploid adult results?

Answer

b. Hypothesize how the haplontic life cycle may have given rise to the alternation of generations life cycle.

Answer

c. Hypothesize how the alternation of generations life cycle may have given rise to the diplontic life cycle.

Answer

2. Members of the kingdom Fungi are adapted to living on land.
a. What characteristic of fungi would make you think that other organisms (such as plants and animals) must have been present on land before fungi?

Answer

b. Both Chlamydomonas and fungi follow the haplontic life cycle. What elements in the cycle show that the former is adapted to living in the water and the latter is adapted to living on land?

Answer

c. The mycelia of sac fungi and club fungi are found in the ground, and the fruiting bodies usually appear after a rain. What does this tell you about the adaptation of fungi to living on land?

Answer








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