Problem 1
Figure 14.19 At what stage does the diploid zygote form? a. When the female cone begins to bud from the tree b. When the sperm nucleus and the egg nucleus fuse c. When the seeds drop from the tree d. When the pollen tube begins to grow
Problem 1
At what stage does the diploid zygote form? a. When the female cone begins to bud from the tree b. When the sperm nucleus and the egg nucleus fuse C. When the seeds drop from the tree d. When the pollen tube begins to grow
Problem 2
If a flower lacked a megasporangium, what type of gamete would it not be able to form? If it lacked a microsporangium, what type of gamete would not form?
Problem 2
Figure 14.26 If a flower lacked a megasporangium, what type of gamete would it not be able to form? If it lacked a microsporangium, what type of gamete would not form?
Problem 3
The land plants are probably descendants of which of these groups? a. green algae b. red algae c. brown algae d. angiosperms
Problem 4
The event that leads from the haploid stage to the diploid stage in alternation of generations is _______. a. meiosis b. mitosis c. fertilization d. germination
Problem 5
Moss is an example of which type of plant? a. haplontic plant b. vascular plant c. diplontic plant d. seed plant
Problem 6
Why do mosses grow well in the Arctic tundra? a. They grow better at cold temperatures. b. They do not require moisture. c. They do not have true roots and can grow on hard surfaces. d. There are no herbivores in the tundra.
Problem 7
Which is the most diverse group of seedless vascular plants? a. the liverworts b. the horsetails c. the club mosses d. the ferns
Problem 7
7\. Which is the most diverse group of seedless vascular plants? a. the liverwortss b. the horsetails c. the club mosses d. the ferns