Audience: Students; Grades: 9-12; Subject: Biology. (2010) From fertilization, to germination, to growth, to death, this video explores the life cycles of plants. The means by which plants respond to their environment is also highlighted. Specific attention is paid to development of seeds and the means by which plants grow and mature. Concepts and terminology include: fertilization, seed disposal, germination, meristem, primary growth, secondary growth, dormancy, photoperiodism, tropism, phototropism, gravitropism, thigmotropism, auxin, and allelopathy. For the teacher's guide go to: https://drive.google.com/folderview?id=0B9ZT7PYcIjLfVzFpdHc3anZHQ3c&usp=sharing