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Flowers, Meiosis,
science test for tomorrow
Question | Answer |
---|---|
What are advantages & disadvantages of asexual reproduction | Advantages: doesn't require a mate Disadvantages: lack of genetic variation, genetic mutations |
What are the advantages & disadvantages of sexual reproduction | Advantages: genetic variation, selective breeding Disadvantages: fusing egg and sperm together, time needed to for organisms to grow and develop |
When does crossing-over occur? | meiosis I |
What does meiosis result to? Where does it occur? | Results in the formation of haploid cells (eggs & sperm) only occurs in reproductive organs. |
how many haploid cells are produced by meiosis? | 4 haploid cells |
Parts of the flower... | anther, filament} staMEN (male); stigma,style,ovary} Pistil (female); petals, ovules, ovary, stigma, sepals |
How do flowering plants reproduce? | 1. pollination 2. dispersal of seeds |
what are the five steps of asexual reproduction? | budding, fission, plant cuttings, animal regeneration, mitosis |
what are the stages of development for an organism that goes through metamorphosis? | egg, larva, pupa, and adult |