Term | Definition |
Stamen | the male reproductive organ of a flower |
Pistil | the female reproductive organ of a flower |
Ovary | a flower structure located at the base of the style of a flower that contains one or more ovules |
Fruit | plant structure that contains one or more seeds; develops from the ovary, and sometimes other parts of the flower |
Pollen grain | Spore that forms from tissue in a male reproductive structure of a seed plant. |
Pollination | the process that occurs when pollen grains land on a female reproductive structure of a plant that is the same species as the pollen grains |
Ovule | female reproductive structure of a seed plant where the haploid egg develops |
Embryo | a developing human from the time it attaches to the uterus until the eighth week of pregnancy |
Seed | a plant embryo, its food supply, and a protective covering |
Alternation of generations | Process that occurs when the life cycle of an organism alternates between diploid and haploid generations. |
Spore | A daughter cell produced from a haploid structure. |
Asexual reproduction | a type of reproduction in which one parent organism produces offspring without meiosis and fertilization |
Sexual reproduction | type of reproduction where the genetic material from two different cells a sperm and an egg combine, producing an offspring |
Sperm | a male reproductive, or sex, cell; forms in a testis |
Meiosis | a process in which one diploid cell divides to make four haploid sex cells. |