Questions and Correct Answers.
Which of these characteristics is shared by algae and seed plants? - Answer chloroplasts
The closest algal relatives of land plants are _____. - Answer charophytes
Label the structures on this diagram of a moss. - Answer a. sporophyte
b. seta
c. sporangium
d. foot
e. gametophyte
f. rhizoid
Arrange the events in the life cycle of mosses in the flowchart below. - Answer 1. Mature
sporophytes produce haploid spores, dispersed by the wind.
2. Separate spores develop into female and male gametophytes
3. Haploid eggs form in archegonia, and haploid sperm form in antheridia
4. Haploid gametes undergo fertilization, forming a diploid zygote.
5. The diploid zygote develops into a sporophyte.
In seedless plants, a fertilized egg will develop into __________. - Answer sporophyte
Most bryophytes, such as mosses, differ from all other plants in that they _____. - Answer
lack true leaves and roots
In mosses gametes are produced by _____; in ferns gametes are produced by _____. - Answer
mitosis ... mitosis
Which of these structures is diploid? - Answer The letter D
Where do fern antheridia develop? - Answer on the underside of the gametophyte
The conspicuous part of a fern plant is a _____. - Answer diploid sporophyte