Examine cones sequoiadendron giganteum

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Reference no: EM133472052

Assignment:

Plants:

1. Cacti are a type of succulent that are often covered in spines. What structure has been modified to produce spines(from the original succulent leaves), and what is their purpose?

2. What type of climate would you expect the cactus to live in?

3. Crassula ovata (jade plant): Make a hypothesis about why these plants have such thick leaves, and what climate you would expect them to live in.

4. Araucaria heterophylla (Norfolk Island Pine tree): Given its leaf morphology, do you think this is an angiosperm or a gymnosperm?

5. Sequoiadendron giganteum: Is it an angiosperm or a gymnosperm? When looking at the tree as a whole, are you looking at the sporophyte phase or the gametophyte phase?

6. Examine its cones (Sequoiadendron giganteum): How do you imagine that the eggs inside the ovulate cone are pollinated (how does the pollen get from the pollen cones to the ovulate cones)?

7. How might waxy needles help these plants survive in snowy environments (Hint: while temperate climates typically have lots of rainfall, this water is locked away as snow and ice in the winter)?

8. Shield Fern: Where are the sori located on fern leaves, and what function might this have?

9. Are ferns vascular plants or non-vascular plants?

Reference no: EM133472052

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