WELCOME!!! NOTE THAT: DIRECT MOBILE SUBSCRIBERS GET ANSWERS FIRST BEFORE ITS BEEN POSTED HERE BIOLOGY ==NOTE THAT DIRECT MOBILE CANDIDATES GETS ANSWERS FIRST BEFORE WE START POSTING THEM HERE== ========================= KEEP REFRESHING THIS PAGE ========================= (2a) this is because glucose helps to renew the energy expended by athletes and very good source of energy. (2b) (i)a brick- red precipitate is observed. (ii) this is because urine contains simple sugar. (iii) diabetes (2c) -it helps in growth -it is one of the major source of energy -it helps to build skeleton -it helps to repair worn-out tissue -it aids reproduciton (2di) Vitamin A(retinol) (2dii)egss,fish,milk (2e) -it helps in manufacturing body temperature -it provides more energy -it supplies essential fatty acid to human body (2f) -insulin -glycogen (6a) Hydra symmetry: radial symmetry Bodylayer: Two layers Body carily: jelly-like Flatworm symmetry: bilaterally symmetry Body layer: Three layers Body Cavity: No body cavity (6c) (i.) Anaemia is caused by deficiency of copper and iron in the body. Symptons: 1. deficiency in iron 2. improper respiration (ii.) Goitre is caused by lack of iodine in the body Symptoms: 1. swelling jaw 2. Lack of thyroxine (6di) A biomes comprises of tropical rainforest,saranna,desert,shrub and swamp of the world (6dii) 1. tropical rainforest 2. Afro-alphine 3. Swamp 4. Shrub 5. Desert (6e) 1. evaporation from oceans and land 2. transpiration from plants 3. Breathing or respiration by plant 4. Rainfall or precipitation 5. Infitration and peracolation (6g)Genetic variation is useful to plants for the following reason -in knowing the gene variation -for cross breeding (6g)Genetic variation is useful to plants for the following reason -in knowing the gene variation -for cross breeding (6h) convergent evolution is the process whereby organisms not closely related (not monophyletic), independently evolve similar traits as a result of having to adapt to similar environments or ecological niches. (6hii) -evidence form comparative anatomy -vestigal organs
Posted on: Fri, 12 Sep 2014 09:53:23 +0000
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