VERIFIED NECO BIOLOGY OBJ: 1-10: ADBBEDABEB 11-20: ABECBCEBAA 21-30: BBCEBBAABD 31-40: ABAADADEAC 41-50: CBCEACBBAB 51-60: EDCDCCAEDE (1a) Draw and label yourself (1bi) eyelid and cornea (1bii) - it brings about shortage of blood - it brings about disease epidemy -it brings about discomfort (1ci) - Pappus -Tridax -Mustard seed (1cii) Efferent nerve cell Afferent nerve cell (2ai.) Ecosystem is defined as ecological community together with its environment functioning as a unit.it is a community of living organisms in conjuction with the nonliving components of their environment interacting as a system. (2aii.) *-the fire made the ecosystem healthy by recycling nutrients within the system. *-it reduces the activities of the soil micro organisms. *-it destroyes wildlife conservation. *-it also helps to improve the carbon cycles. (2bi.) *-evaporation *-transpiration *-precipitation 3(a)i Diffusion is the rapid movement of molecules of substances gas,or liuid from a higher concentration to a lower concentration .it occurs in living orgnism ii 1 gamates are formed/no gamates are formed 2 involves fusion of male and female gametes/no fusion occur 3 zygote is formed/no zygotes if formed 4 usually involves two individuals/ only one organism involved 4ai -excessive urine -weakness of the body -irregular heartbeat 4aii -it excretes nitrogenous waste -it regulate water level 4bi -poor housing plan -poor drainage system 4bii -DFID -RED CROSS -WORLD HEALTH ORGANIZATION -ENVIRONMENT AGENCY 4C -temperature -high salinity -hydrogen ion concentration -high pressure 4cii -diffussion of labour gives room for efficient exploitation of the environment -specialization of various cell 4ciii -yankari game reserve -olomu game reserve -borgu game reserve
Posted on: Tue, 25 Jun 2013 11:17:34 +0000
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