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Heredity Unit 1

Science Quiz

TermDefinition
Asexual reproduction Asexual reproduction is a type of reproduction by which offspring arise from a single organism, and inherit the genes of that parent only; it does not involve the fusion of gametes, and almost never changes the number of chromosomes.
Binary fission Fission, in biology, is the division of a single entity into two or more parts and the regeneration of those parts to separate entities resembling the original.
Budding (of a plant) having or developing buds
fragmentation regeneration the process of breaking up of parent animal into small parts, each of which can grow into a new complete individual. This process of asexual reproduction is found in planaria and hydra.
Sexual reproduction Sexual reproduction is a type of life cycle where generations alternate between cells with a single set of chromosomes and cells with a double set of chromosomes.
Internal fertilization When an egg is fertilized inside the female
External fertilization When an egg is fertilized outside the body.
Angiosperms a plant that has flowers and produces seeds enclosed within a carpel. The angiosperms are a large group and include herbaceous plants, shrubs, grasses, and most trees.
Petals Petals are modified leaves that surround the reproductive parts of flowers. They are often brightly colored or unusually shaped to attract pollinators. Together, all of the petals of a flower are called a corolla.
Sepal each of the parts of the calyx of a flower, enclosing the petals and typically green and leaf like.
Stem A stem can be the central root of a word, the supporting structure of a plant, or the thin, cylindrical part of a glass goblet.
Anther the part of a stamen that contains the pollen.
Filament a slender threadlike object or fiber, especially one found in animal or plant structures.
Stamen the male fertilizing organ of a flower, typically consisting of a pollen-containing anther and a filament.
Stigma The part of the pistil where pollen germinates.
Style The pistil usually is located in the center of the flower and is made up of three parts: the stigma, style, and ovary.
Ovary In the flowering plants, an ovary is a part of the female reproductive organ of the flower or gynecologic.
Pistil The pistil, centrally located, typically consists of a swollen base, the ovary, which contains the potential seeds, or ovules.
Pollination Pollination is the act of transferring pollen grains from the male anther of a flower to the female stigma.
Created by: sydney_mcmachen