Biology answersBiology obj1DBBBCDBBAB11CCBDBBBCCD21DCDCC-CCC-31BACABCCCAB41BBAACAB-CC1a)Blood- tissue,guinea pig- organism ,hebiscus flower- organ.Human skeleton- system.Plasmodium-cell.1b)Homeostasis can be defined as a propertyof anorganism or system that helps it maintain its parameterswithin a normal range of values. It is key to life, andfailures in homeostasis can lead to diseases likehypertension and diabetes.1c)When d body fluids become acidic ie d concentration of acids becomes higher than that of d bases d kidney excretes more acid.-When d concentration of d base is higher the kidney will excrete more salt with urine.1d)-Inflamation of d nephron caused by bacteria. It causes glomeruli to filter d blood completely leading to useful substances like protein to pass out with d urine excreted by d kidney.-Secondly wen amino acids and calcium phosphate settle in d kidney they form kidney stone which obstructs the free flowof urine2a)Photosynthesis can be represented using a chemicalequation.The overall balanced equation is...6CO 2 + 6H 2O ------> C 6 H 12 O 6 + 6O 2Sunlight energyWhere: CO 2 = carbon dioxideH 2 O = waterLight energy is requiredC 6 H 12O 6 = glucoseO 2 = oxygen2b) Diagram of Dicotyledon leaf and fully labeled2c)i)To produce substances that break down fats,convert glucose to glycogen,ii)produce urea (the mainsubstance of urine), make certain amino acids (thebuilding blocks of proteins), filter harmfulsubstances from the blood (such as alcohol),iii)Storageof vitamins and minerals (vitamins A, D, KandB12) and maintain a proper level or glucose in theblood.Iv)The liver is also responsible fore producing cholesterol.v)It produces about 80% of the cholesterolin your body.6ai)(i) By Mechanism(ii) By species6aii)(i) Food(ii) Water(iii) Territory(iv) IDK(6C)(i) Fluid Feeder:are organisms that feed on the fluid of other organisms. It can refer toHematophagy, feeding on blood, which include bedbug, butterflies, hood mockingbird, oxpeckers and anopheles stephensi mosquitoNectarivore, feeding on nectar include bats visit open flowers where the nectar isnot deeply hidden, hawkmoths and hummingbirdPlant sap feeders(ii)Filter Feeder:are a sub group of suspension feeding animals that feed by straining suspended matter and food particles from water, typically by passing the water over a specialized filtering structure. Some animals that use this method of feeding are clams, krill, sponges, baleen, whales, and fish (including sharks)6D(ii)(i) to move the position of th hairs(ii) adjust the angle of hair shafts to change the degreeof cornfield layer idk(iii)(i) maintaing the epidermal permeability barrier, structure and differentiation(ii) skin specific hormonal signalling6EDecline in the Death Rate:Better Medical Facilities:More Hands to Overcome Poverty:Technological Advancement in FertilityTreatment:Immigration6FPreventing pregnancy-related health risks inwomenReducing infant mortalityHelping to prevent HIV/AIDSEmpowering people and enhancing educationSlowing population growth.
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