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GCSE Bitesize was launched in January 1998, covering seven subjects. For each subject, a one- or two-hour long TV programme would be broadcast overnight in the BBC Learning Zone block, and supporting material was available in books and on the BBC website. At the time, only around 9% of UK households had access to the internet at home.
Many plants grow food storage structures such as tubers or bulbs which may each develop into a new plant. [69] Some non-flowering plants, such as many liverworts, mosses and some clubmosses, along with a few flowering plants, grow small clumps of cells called gemmae which can detach and grow. [70] [71]
The choice of growing media and components to the media help support plant life. Within a greenhouse environment, growers may choose to grow their plants in an aquaponic system where there is no soil used. Growers within a greenhouse setting will often opt for a soilless mix which does not include any actual components of naturally occurring soil.
The BBC issued a collection on VHS tapes in the early 2000s, later released on DVD. The complete series is now available in a DVD box set. The BBC also released a collection of DVDs with booklets and notes not intended for home use but instead for use in schools and other educational purposes. Come Outside: A Windy Day – DVD 1
On top of the gradual growth of the plant, the image reveals the true meaning of phototropism and cell elongation, meaning the light energy from the sun is causing the growing plant to bend towards the light aka elongate. Plant growth and development are mediated by specific plant hormones and plant growth regulators (PGRs) (Ross et al. 1983). [10]
The Private Life of Plants is a BBC nature documentary series written and presented by David Attenborough, first shown in the United Kingdom from 11 January 1995. A study of the growth, movement, reproduction and survival of plants , it was the second of Attenborough's specialised surveys following his major trilogy that began with Life on Earth .
Gentian seedlings in a plant nursery. Plant propagation is the process by which new plants grow from various sources, including seeds, cuttings, and other plant parts. Plant propagation can refer to both man-made and natural processes. Propagation typically occurs as a step in the overall cycle of plant growth.
Cross section, showing how the root and the upper part of the plant grow Germination is the process by which an organism grows from a seed or spore . The term is applied to the sprouting of a seedling from a seed of an angiosperm or gymnosperm , the growth of a sporeling from a spore , such as the spores of fungi , ferns, bacteria , and the ...