" The Big Picture!" by Mr C

Lower Plant Review

Plants in general

• Alternation of generations is defined as the switching back and forth between ___ and ____.
• What does asexual reproduction not provide?
• Is alternation a change in ploidy of cell or going from sporophyte to gametophyte?
• What process makes spores?
• What generations makes gametes?
• What structures do all plants have?

Algae

• What would be one effect on the global ecosystem if algae died off?
• What is the relationship between algae and chlorphyll?
• What are some examples for algae for moving onto land (think of seaweed and tides)
• Taxonomically speaking, what are the three types of algae?
• What is the dominant generation in algae?
• Algae absorb carbon dioxide, oxygen, and nutrients directly from _____
• In regards to lower plants, what are some adaptions to land?

Mosses

• What are some examples of moss moving onto land ( moss are pioneer species)
• What are two functions of moss “leaves”
• Why are moss found in damp or wet environments?
• How is water transported through moss?
• What is the dominant generation in moss?
• What generation and ploidy are the moss you see while walking through the woods.
• Do moss have “rhizoids”?
• What is unique about moss and their sporophyte and gametophyte generations?
• Can you label a diagram of a moss?
• Where are sperms made in moss?
• How could you identify the sporophyte generations in moss?
• Why are most good for sterilizing and healing wounds.
• How are moss related to coal?
• How does moss used to make Scotch?

Ferns

• What are some examples of how ferns have successfully moved onto land
• How do ferns prevent them selves from self-ferilization?
• What are two functions of a sporangium?
• Compare and contrast the gametophytes of mosses and ferns (describe one similarity and one difference between the two)
• What is the dominant generation in ferns?
• In ferns, what is the function of antheridia and archegonia
• In ferns where are spores made and by what process?
• Although ferns are “true” land plants, they require water for what process?
• Where are sperm made in fern?
• What system do ferens have that moss and algae do not have?
• When we see ferns during a walk through a forest, which generation are we looking at?
• Why do ferns grow taller than algae and moss?
• What structures of a fern have been used in salads and by indigenous people