What is the plant life cycle stage that begins when cells in reproductive organs undergo meiosis and produce haploid cells (spores)?

What is the green, light-trapping pigment in plant chloroplasts that is important in photosynthesis?

What is in plants, that is the swollen base of an angiosperm’s pistil, where egg-producing ovules are found; in humans, female reproductive organ that produces eggs and is in the lower part of the body?

What is the series of events that result in the growth of a plant from a seed?

What is the plant hormone that causes plant leaves and stems to exhibit positive phototropism?

What is the process by which producers and consumers release stored energy from food molecules; series of chemical reactions used to release energy stored in food molecules?

What is in seed plants, where the female reproductive part produces eggs?

What is the transfer of pollen grains to the female part of a seed plant by agents such as gravity, water, wind, and animals?

What is the plant’s response to the lengths of daylight and darkness each day called?

What is a plant called that doesn't require a specific photoperiod and can begin the flowering process over a range of night lengths?

What is it called when a plant has a positive or negative response to an external stimulus such as touch, light, or gravity?

What is a plant called that generally requires short nights - less then ten to 12 hours of darkness - to begin the flowering process?

What is the process by which plants and many other producers use light energy to produce a simple sugar from carbon dioxide and water and give off oxygen?

What is the female reproductive organ inside the flower of an angiosperm; consists of a sticky stigma, where pollen grains land, and an ovary called?

What is the male reproductive organ inside the flower of an angiosperm; consists of an anther, where pollen grains form, and a filament called?

What is the plant called that generally requires long nights- 12 or more hours of darkness - to begin the flowering process?

What is the small structure produced by the male reproductive organs of a seed plant; has a water resistant coat, can develop from a spore, and contains gametophyte parts that will produce sperm called?

What is the fern structures in which spores are produced called?