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gracet
blume- life science ch 10 part one
| Question | Answer |
|---|---|
| sex cells formed by meiosis with only half of the chromosomes | haploid |
| plants release these into their surroundings to produce offspring | spores |
| the joining of two haploid cells begins this stage | sporophyte |
| when an egg and a sperm combine | fertilization |
| depending on the species of plant, these organs can be on the same of different plants | reproductive |
| this stage is begun when cells in reproductive organs undergo meiosis and produce haploid cells | gametophyte |
| asexual ________________ does not require the production of sex cells | reproduction |
| have a full set of chromosomes | diploid cells |
| something all organisms have in common | life cycle |
| REMEMBER TO STUDY MOSS REPRODUCTION AND ALSO THE FERN'S REPRODUCTIVE CYCLE. | Ok |
| in ________________ reproduction a new plant can be brown from a leaf, stem, or root | asexual |
| in _____________ reproduction a sperm cell fertilizes an egg cell to form a zygote | sexual |
| the ______________ stage begins when sex cells produce haploid cells called spores | gametophyte |
| the _____________stage begins with fertilization | sporophyte |
| seedless plants do not produce ____________ | seeds |
| the ____________ of seedless plants grow into plants that produce sex cells | spores |
| all nonvascular and some vascular plants are _____________ | seedless |
| the gametophyte stage produces ____________ | sex cells |
| the sporophyte stage produces ___________ | spores |
| when spores are ___________ and land in an appropriate environment the can grow into new gametophyte stage plants | released |
| most vascular seedless plants are __________ | ferns |
| fern plants have ____________ that grow from an underground stem called a __________ | fronds and rhizome |
| fern ____________ are produced in sori, which are usually on the underside of fronds | spored |
| a fern spore that lands in a favorable environment grows into a gametophyte plant called a _______________ | prothallus |
| ____________ form in the prothallus | sex cells |
| when fertilization occurs, the _________ starts the sporophyte stage | zygote |
| ferns may produce __________ when rhizomes form new branches are separated from the main plant | asexually |
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gtrevino
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