Question | Answer |
form of plant reproduction requiring the fertilization of an egg cell by a sperm cell; produces offspring genetically different from both parent plants | sexual reproduction |
form of plant reproduction that does nto require the production of sex cells; involves only one parent plant producing offspring that are genetically identical to the parent plant | asexual reproduction |
small structure produced by the male reproductive organs of a seed plant that will produce sperm | pollen grain |
the transfer of pollen grains to the female part of a plant | pollination |
the reproductive structure of a gymnosperm | cone |
the reproductive structure of an angiosperm | flower |
the male reproductive organ within a flower | stamen |
the female reproductive organ within a flower | pistil |
the swollen base of the pistil where ovules are located; protects developing seeds | ovary |
structures that produce egg cells | ovules |
a young plant inside a protective covering | seed |
a seed leaf that stores food | cotyledon |
series of events resulting in the growth of a plant from a seed | germination |
vascular plants that produce seeds not protected by a fruit | gymnosperms |
vascular plants that produce seeds protected by a fruit | angiosperms |
small openings on a leaf that allow carbon dioxide, oxygen, and water vapor to enter and exit the leaf | stomata |
pair of cells that controls the opening and closing of the stomata | guard cells |
the process of plants losing water from their leaves through evaporation | transpiration |
the food-making process in plants | photosynthesis |
small, green structures in a plant's cells where photosynthesis occurs | chloroplasts |
green pigment in the chloroplasts that traps light energy to power photosynthesis | chlorophyll |
series of chemical reactions that breaks down food molecules to release energy | respiration |
a plant's response to an external stimulus such as touch, light, or gravity | tropism |