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Reproduction

16.3 Flowers and 10.1 Mitosis (incl Asexual and sexual reproduction)

QuestionAnswer
female reproductive part of a flower pistil
male reproductive part of a flower stamen
stem-like structure of a stamen filament
top portion of a stamen anther
sticky top of a pistil stigma
the stem-like part of a pistil style
the bottom of a pistil ovary
What is the function of the ovary? produce eggs (ovules)
process of pollen from an anther contacting the stigma of a pistil pollination
union of a sperm nucleus and an egg nucleus fertilization
What must happen after pollination before fertilization can occur? Sperm nuclei must travel down the pollen tubes and into the ovary
a structure that developed from the ovary of a flower; it protects seeds and can assist in dispersal fruit
How do flowers promote their own pollination? bright petal colors, unique aromas, patterns on petals, open funnel-like shape
What will a fertilized egg (ovule) develop into? a seed
reproduction with one parent, in which the offspring are identical to the parent asexual reproduction
reproduction with a male and female sex cells (sperm and egg cells)- offspring is not identical to either parent sexual reproduction
examples of asexual reproduction budding (Hydra), binary fission (amoeba, bacteria, etc), regeneration (worms, etc)
an advantage of asexual reproduction convenient - only one parent
a disadvantage of asexual reproduction cannot improve the quality of the species - always identical
examples of sexual reproduction pollination and fertilization of flowers to produce seeds; mating of animals
process that cells use to divide their nucleus, assuring that new cells are genetically identical copies mitosis
What are major steps of the cell cycle? interphase (growth and duplication), mitosis and cytokinesis
what are major steps of mitosis? prophase, metaphase, anaphase, telophase
what happens in cytokinesis? cell membrane / cytoplasm splits
how does mitosis relate to reproduction? cell division with mitosis is how many organisms reproduce (budding, binary fission, etc.)
Created by: jenhaugen01