Related University Degree Botany essays

1. 

   How plants have adapted or become acclimated to shade.

   5 star(s)

   D1 has a high turnover rate so shade plants can easily resume photosynthesis once the sunfleck has passed. ROS may be removed by the enzyme superoxide dismutase (SOD). ROS formation is prevented by heat dissipation using the xanthophyll cycle. Xanthophyll is converted to zeaxanthin in the chloroplasts during high light levels and vice versa.

2. 

   Drought conditions, low and high temperatures, increased salt levels, pathogens and insects are common ...

   3 star(s)

   pathogens which may enter the wound while the PPOs prevent the herbivore from digesting any plant material such as leaf fibre and solutes from being digested in the gut, thus rendering the plant material useless as a food source. The hypersensitive response (HR)

1. 

   To see what affect trampling has on the diversity of plants, their abundance, and ...

   After, I will make my way to outside the science building by the pavement. When it is hot, people sit, walk and talk there, and everyday, wait for the coaches. Again, I need to arrange the tape measures the same way as in site 1, and find the coordinates given previously.

2. 

   Describe the major pathways and transformations involved in the atmospheric transport of Sulphur, produced as SO2 ...

   Highly soluble H2S has a short residual time of minutes, whereas SO2 may have a residual time of a magnitude longer, up to hours. While SO2 is in its gaseous form it is unlikely to react. However, it will, in moist air, tend to become dissolved in water.

1. 

   I plan to investigate how environmental conditions affect the transpiration of plants.

   To combat this ABA is produced by the plant which causes the rapid pumping of potassium ions out of the guard cells which closes them and so reduces the water loss by transpiration. Apparatus Needed For The Experiments 1. Privet shoot (used as it has many big leaves)

2. 

   Photosynthesis is the process by which green plants and certain other organisms transform inorganic ...

   If the photosynthetic reaction is a success O2 will be produced again and the disc will once again surface. This experiment involves a few variables, one variable which will be varied are the quality of light, chlorophyll best absorbs light in the wavelength range of 400-450 nm [blue light] and 650-700 nm [red light].

1. 

   Surveying the Distribution and Abundance of Plants in Different Coppices

   Soil Moisture- if there isn't enough moisture in the soil, only certain plant species will survive as they have adapted to photosynthesise in those conditions. Also, lower soil moisture will prevent large numbers of a plant species from thriving in that area.

2. 

   The combination of constant warmth and abundant moisture of the tropical regions demonstrates a ...

   One should be willing to concede that 7 per cent of the planets land surface contains at least half of all the species that live on the planet. Not only it is classified the epicentre of the world?s biodiversity. It is where the rainforests-the planets largest body of living matter-breathe.