Which of the Following Hrm Processes Has a Direct Role
The fact that both charophytes and green plants contain chlorophylls a and b demonstrates which of the following?
A) These derived traits show that green plants evolved from ancient charophytes.
B) These shared traits show that green plants evolved from present-day charophytes.
C) The common ancestor of these two groups contained chlorophylls a and b.
D) These two groups are not closely related.
Which of the following statements about the transition from ocean to land by plants is most likely to be accurate?
A) The transition to land occurred within a few generations.
B) The transition to land was likely gradual, with plants evolving traits that let them survive ever-drier conditions.
C) Rising sea levels favoured individuals that were able to survive ever-drier conditions.
D) The high light levels of terrestrial systems favoured individuals that contained flexible photosynthetic enzyme systems.
Which of the following statements about the zygotes of plants is most likely to be accurate?
A) Protection of the zygote from the drying effects of air was important.
B) Protection of the zygote from competitors for light was more important in air than in water.
C) Zygotes in plants are more independent of parental tissue than are algal zygotes.
D) Zygotes in plants are more likely to germinate quickly after release from the parent plant than are zygotes released from algal organisms.
If animals had alternation of generations like plants, ________.
A) they would have twice as rapid a population growth rate as compared to their current rates
B) the products of mitosis would undergo meiosis
C) the products of meiosis would immediately fuse to form a zygote and then undergo mitosis
D) the products of meiosis would undergo mitosis and become multicellular