Screening is not recommended for women under the age of 21. In 2010, recent Pap testing (within three years) dropped among women aged 30 years and older without a hysterectomy, primarily due to declines among women aged 65 years and older (from 73.5 percent in 2000 to 64.5 percent).
However, this is what some of you are doing to your plants and wondering why your veggies are sick looking. You need to know the growth stages of your plant to determine the nutrients they need to thrive. First Stage â Seed Germination. The plantâs life cycle starts with germination of the seed. All you need is water, oxygen, and the right temperature for the seed to germinate. How about light?
Lesson Summary. 1  All plants have a life cycle with alternation of generations. 2  In nonvascular plants, the gametophyte generation is dominant. 3  In vascular plants, the sporophyte generation is dominant. 4  In seed plants, the gametophyte generation takes place in a cone or flower, which forms on the mature sporophyte plant.he flower in Figure above is obviously an innovation in the angiosperm life cycle. Flowers form on the dominant sporophyte plant. They consist of highly specialized male and female reproductive organs. Flowers produce spores that develop into gametophytes.