why is respiration an important process in the cells of germinating seeds

why is respiration an important process in the cells of germinating seeds

Answers
well respiration is the process by which cells make energy
chloe
19 April 2011
and they need a great deal of energy in order to gernminate
chloe
19 April 2011
thankyou sooooo much :)
katiemeatsix
19 April 2011
Before seeds grow into plants they have to germinate and in order to do so they absorb a lot of water that will help them respire at a much faster rate
chloe
19 April 2011
They use the energy released in order to sprout roots, to absorb more water and to grow a shoot
chloe
19 April 2011
The shoot then allows them to create food through photosynthesis and the plant can continue to live
chloe
19 April 2011
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phytoplankton biology project help me pleas

Phytoplankton are microscopic autotrophs that are the foundation of many aquatic food chains. The amount of photosynthesis carried out annually by ocean phytoplankton alone is of a similar magnitude to that of all terrestrial plants combined, making them an important subject for ecological research. Ocean phytoplankton photosynthesis can be studied using a wide range of techniques, from satellite imaging to measure whole oceans to collecting small samples and analysing their behaviour in the laboratory.

(a)In recent years phytoplankton have been investigated as a potential source of energy for humans. Researchers have therefore been interested in whether these organisms could be ‘farmed’ to provide food or fuel. In terms of biomass, Gross Primary Production (GPP) in phytoplankton living in a layer just below the surface of a typical ocean area is 4102 g m−2 yr−1 If you . assume the energy value of phytoplankton is 6 kJ g−1, calculate the GPP in terms of kJ m−2 yr−1 .Show your working clearly .

(b) If a human needs to eat about 10 000 kJ per day, estimate (to the nearest gram) the mass of phytoplankton that would be required to meet their daily energy requirements. Based on this value, approximately what proportion of her own body weight in phytoplankton would a 60 kg woman need to eat over the course of a year, if this were her only source of energy? Show your working clearly.

(c) Farming phytoplankton to harness solar energy for human food or fuel would presumably require cultivating large numbers of these organisms in a carefully designed artificial environment. Suggest two features that could be incorporated into the design of a phytoplankton ‘farm’ to optimise the Net Primary Production (NPP). Briefly describe why each design feature would be useful. (One sentence for each)