NECO BIOLOGY No 3,4,5 (5ai) Dentition refers to the number, arrangement and conformation of teeth in an organism (ii) -incisors -cannies -premolars -molars (5bi) -marginal placentation -pariental placentation -axile placentation -basal placentation (5bii) -arch -loop -whorl -compound (5ci) Competition is defined as the process by which living organisms in a living habitat struggle with one another for such limited essential needs in the environment (5cii) -competition -presence of light (5ciii) -phyloem -xylem (4a) -it is richly supplied with blood -it is covered by semi-permeable membrane. -it possess small area to volume rate (4aii) -spiroygyra is photosynthetic while rhizopus is heterotrophic -spirogyra is autotropic while rhizopus is saprophytic (4bi) Tabulate photosynthesis: -it is anabolic -it involves plastic only -it uses up carbon dioxide -it absorbs energy(solar energy) Respiration: -it is catabolic -it involves both plants and animals -it releases carbon dioxide -it releases energy. (4bii) Hepatitis, kidney stones, cancer of the kidney, (4ci) Ecosystem is a unit of the earth which involves the interaction between plants and animals and their interrelationship with their environmen. (4cii) Biological and chemical control. (3a) -An organ is the collection of specialized tissues which are similar in function. -Cell tissue, organ and system (3bi) -crop rotation -shifting cultivation -cover cropping -application of fertilizer -liming -enzymes are catalysts. -they are specific in action -they are organic substances -they do not partake in chemical reactions (3ci) -astigmatism, myopia and hypermetropia -dermis and epidermis ******COMPLETED****** Good Luck!!!
Posted on: Tue, 08 Jul 2014 11:20:48 +0000
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