... wet cotton wool 3. Soaked peas, wet cotton wool and covered with water - The seed does not develop - There is development of the seed but the plant produced is not so healthy compared to seeds in 3. - The seed grew into a healthy plant with significant shoot and root grown Table 2: Development of seeds under different availability of oxygen. CONDITIONS OBSERVATIONS A) Cress seed with pyrogallic acid and sodium hydroxide solution ( lack of oxygen ) B) Cress seed with water but without pyrogallic acid sodium hydroxide solution ( oxygen is available ) - The seeds did not develop into plants - Some of the seeds grew into plants - Shoots and roots are long - Only a few seeds show no growth Table 3: The development of maize grains in different temperature CONDITIONS OBSERVATIONS LENGTH ± 0.05 cm Root Shoot 1. In the fridge ( less than 0°C) 2. 20°C 3. Room temperature ( 30°C ) - seeds showed no development - no change to ...

See this essay or coursework document in full right now