Exam 26: Plants

Suppose you are a botanist and you discover a plant that has a dominant gametophyte, but no xylem or phloem. Into which group should you classify this plant?

Which phylum includes members that are considered by many researchers to be the living plants most closely related to the first land plants, based on morphology and mitochondrial gene sequence data?

Which phrase refers to an advantage that angiosperms have in the form of a nutritive tissue produced during fertilization?

Match each plant structure or stage of the plant life cycle with the term that best describes the cells in that structure or stage. Each term may be used once, more than once, or not at all. -gamete

Consider a plant in which a multicellular generation is able to make both sperm and eggs. Which term describes such a plant?

When was the Carboniferous period?

Which of the following best explains why modern seedless vascular plants are confined largely to wet or humid environments?

What is the name of the specialized leaves on which club moss sporangia form, and which occur near stem tips?

Which phylum of nonvascular plants has about 10 000 known living species, including those in the genus Sphagnum?

Where do the megaspores develop in pine trees?

Match each plant structure or stage of the plant life cycle with the term that best describes the cells in that structure or stage. Each term may be used once, more than once, or not at all. -spore

What is the name for the phylum of seedless vascular plants that has about 1000 known living species, including those in the genera Lycopodium and Selaginella?

Much of the world's coal reserves were formed from the buried remains of the dominant plants of the Carboniferous period. What were the dominant plants of the period?

What plant structures comprise a sorus?

What is the name of the lignified, tubelike structures that branch throughout the body of some plants, conducting water and solutes?

What were the most direct ancestors of modern plants?

What does the word gymnosperm mean?

Match each plant structure or stage of the plant life cycle with the term that best describes the cells in that structure or stage. Each term may be used once, more than once, or not at all. -pollen grain

In which plants is the sporophyte generation clearly larger, more complex, and longer living than the gametophyte generation?

Match each plant structure or stage of the plant life cycle with the term that best describes the cells in that structure or stage. Each term may be used once, more than once, or not at all. -gametophyte