AnswersAFC Biology B S3The Life Cycles of Plants

The Life Cycles of Plants Answers

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Briefly describe alternation of generations in plants. Be sure to include a description of what alternation of generations is, the names of the generations, and their chromosome number.

Answer:

Alternation of generations is the alternating of diploid and haploid phases that characterize the life cycle of plants. sporophyte generation, which is diploid (2n) gametophyte generation, which is haploid (n).

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Which of the following did you include in your answer? Check all that apply.

A
Alternation of generations is the alternating of diploid and haploid phases that characterize the life cycle of plants.
B
sporophyte generation, which is diploid (2n)
C
gametophyte generation, which is haploid (n).
3

C ✔ GametophyteSporophyte

A
✔ Gametophyte
B
Sporophyte
4

D ✔ Haploid (n)Diploid (2n)

A
✔ Haploid (n)
B
Diploid (2n)
5

E ✔ Gametes (n)Spores (2n)

A
✔ Gametes (n)
B
Spores (2n)
6

F ✔ Mitosis Meiosis

A
✔ Mitosis
B
Meiosis
7

Question text not available

Answers:
Selection 1:seed plants
Selection 2:both
Selection 3:seed plants
Selection 4:both
Selection 5:both
8

Use your knowledge of alternation of generations to identify labels A–F in the table.A Gametes (n)✔ Spores (2n)

Answers:
Selection 1:Spores (2n)
Selection 2:Meiosis
Selection 3:Gametophyte
Selection 4:Haploid (n)
Selection 5:Gametes (n)
Selection 6:Mitosis
12

B Mitosis✔ Meiosis

A
Mitosis
B
✔ Meiosis
13

Pollination seedless plants✔ seed plantsboth

A
seedless plants
B
✔ seed plants
C
both
14

Produce spores seedless plantsseed plants✔ both

A
seedless plants
B
seed plants
C
✔ both
18

Endosperm formed seedless plants✔ seed plantsboth

A
seedless plants
B
✔ seed plants
C
both
20

Meiosis seedless plantsseed plants✔ both

A
seedless plants
B
seed plants
C
✔ both

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