Daphnia - Guides d'étude, Notes de cours & Résumés

GCSE BIOLOGY 8461/2H Paper 2 Higher Tier Mark scheme Version: 1.0 Final Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevant questions, by a panel of subject teachers. This mark scheme includes any amendments made at the standardisation events which all associates participate in and is the scheme which was used by them in this examinat...

FGP Mid Semester Test Exam Questions With 100% Correct Answers. 1. Which of these technologies is NOT used to determine the NOTEL (No Observed Transcriptional Effect Level)? a) Protein microarray b) qPCR (RT-PCR) c) SAGE d) cDNA microarray - answera) Protein microarray 2. You want a bioindicator to detect the presence of heavy metals in, and around a creek. You would naturally chose: a) a fish b) Daphnia c) a water plant d) It doesn't really matter, because all of the species above...

Unit 6 Assignment B - Investigative project . Coursework *GUIDANCE* . I also completed the daphnia required practical. Hope you find it useful! If you need anymore help you can message me :) Learning aim B: Produce a plan for an investigative project based on the proposal. IMPORTANT NOTICE FOR BUYERS! (Please note that I cannot take any responsibility for plagiarism, this is meant to be used as a guidance only)

scientific method - ANSWER careful observation of phenomenon in the world, ask critical questions and develop a hypothesis or educated guess, test the hypothesis to validate or invalidate it parts of a microscope - ANSWER eyepiece, high power objective, medium power objective, low power objective, specimen holder, stage, power switch, brightness control dial, longitudinal stage motion, lateral stage motion, aperture diaphragm lever, condenser, lamp, fine focus, coarse focus carrying the mi...

Biology Edexcel Practicals A Level Questions With Complete Solutions 1. Investigate the effect of caffeine on heart rate of Daphnia - Topic 1 Daphnia of same species and volume Placed on microscopic tray in pond water in bits of cotton and allowed to acclimatise for 5 minutes Then HR counted using tally marks of a sheet of paper for 15 seconds, x4 to give hr/min repeated with unknown conc. of caffeine (blind) 0.0% and distilled water, 0.1% and 0.5% Repeat with each daphnia and with othe...

Biology Edexcel Practicals A Level Questions With Complete Solutions 1. Investigate the effect of caffeine on heart rate of Daphnia - Topic 1 Daphnia of same species and volume Placed on microscopic tray in pond water in bits of cotton and allowed to acclimatise for 5 minutes Then HR counted using tally marks of a sheet of paper for 15 seconds, x4 to give hr/min repeated with unknown conc. of caffeine (blind) 0.0% and distilled water, 0.1% and 0.5% Repeat with each daphnia and with othe...

AQA Biology 2022 2023 Paper 2 Higher Tier Mark Scheme. (Daphnia biomass smaller because) • non-digestible parts (of algae) or lost in faeces • not all absorbed • lost in urine / urea ignore waste 1 AO1 4.7.4.3 • used in respiration or lost as carbon dioxide / CO2 allow excretion allow (to supply energy) for movement / warmth • algae not all eaten or eaten by other organisms • some algae decompose

Alevel biology practical write up is a report of a laboratory experiment conducted by students. It is required as part of the assessment for the subject. The a-level biology practical write up document is a professional report and should be organised in a clear and logical manner. It should include an introduction, a materials and methods section, a results and discussion section, and a conclusion. The introduction should provide a brief overview of the experiment and its aim. The materi...

Biology Edexcel Practicals A Level Questions With Complete Solutions 1. Investigate the effect of caffeine on heart rate of Daphnia - Topic 1 Daphnia of same species and volume Placed on microscopic tray in pond water in bits of cotton and allowed to acclimatise for 5 minutes Then HR counted using tally marks of a sheet of paper for 15 seconds, x4 to give hr/min repeated with unknown conc. of caffeine (blind) 0.0% and distilled water, 0.1% and 0.5% Repeat with each daphnia and with othe...

AQA GCSE BIOLOGY HIGHER TIER PAPER 2 Answer all questions in the spaces provided. outside the box 0 1 Figure 1 shows a food chain in a pond. Figure 1 . Which term describes the Daphnia in this food chain? Tick () one box. [1 mark] Apex predator Primary consumer Producer Secondary consumer . Draw a pyramid of biomass for the food chain. Label each trophic level. [2 marks] box ...