Franceneinterv8idn
Answered

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14. Spores are produced during the_____stage of a plant's life cycle
A. Sporophyte
C Sexual
B. Gametophyte
D. Asexual

15. How many years does it take for the conifer seeds to develop?
A. Five years
B. Three years
C. Two years
D. Four years

16. How does the new plant grow and develop?
A. When the seeds land in a place with enough sand and air.
B. When the seeds land in a place with sufficient water and wind
C. When the seeds land in a place with sufficient water, soil and
sunlight.
D. When the seeds land in a place with cold weather

17. The sticky substance that can trap the conifer pollen grains that landed
near the opening of an ovule is called
C. Pollen drop
D. Mycellum
A. Pollen grains
B. Needles

18.Where do conifers house their seeds
A. Flowers
B. Leaves
C. Fruit
D. Cones

19.How do non-flowering plants that do not produce seeds reproduce?
A. Cones
B. Spores
C. Needles
D. Roots

20.How are the seeds of the conifer dispersed?
A. By floating on the water of streams and rivers
B. By producing fruit
C. They are winged and float in the wind
D. All of the above. ​

Sagot :

Nicolemolerianaidn

14.Plants have two distinct stages in their lifecycle: the gametophyte stage and the sporophyte stage. ... After reaching maturity, the diploid sporophyte produces spores by meiosis, which in turn divide by mitosis to produce the haploid gametophyte. The new gametophyte produces gametes, and the cycle continues.

15. C

16. C

17. stigma

18. D

19. B

20.How do conifers disperse seeds?

Most important, coniferous plants reproduce by growing seeds inside of cones. These cones ripen over the course of weeks, and the seeds are then dispersed either by being dropped, eaten or carried away by forest wildlife.

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