Genetics and Ecosystems yr 9Scx Science ideas I need to know Pre-test 1 Science ideas I need to know Success Criteria Start of Unit End of Unit I know this I know some of this I need to learn this I know this 1a. Label a typical cell with nucleus and chromosomes and show that genes are carried on chromosomes made of DNA 1b. Draw a labelled nucleotide 1c. Construct a model of DNA showing the 4 bases, phosphate and sugar molecules 1d. Explain that genes are ‘coded instructions’ for making proteins and that DNA is the chemical which stores the coded instructions 1e. Define Alleles as versions of genes 1f. Define the terms dominant, recessive, phenotype, genotype, homozygous and heterozygous 2b. Use a Punnet square to predict offspring genotype and phenotypes 2c. Calculate and predict the results of a simple cross involving 1:1 or 3:1 ratios 2d. Discuss how sex /gender is determined in humans 3a. Distinguish between inherited variation (traits) and variation caused by the environment 3b. Classify variation as either continuous or discontinuous variation. 4a. Understand the main sources of variation 4b. identify the key differences between sexual and asexual reproduction

Genetics and Ecosystems yr 9Scx Science ideas I need to know Pre-test 2 Science ideas I need to know Success Criteria Start of Unit End of Unit I know this I know some of this I need to learn this I know this 4c. Understand the main stages of Sexual Reproduction 4d. Calculate the chromosome number in various organisms as well as their gametes 4e. Model/draw the basic steps of cell division (mitosis) for growth and repair 4f. Model/draw the basic steps of gamete production (meiosis) for sexual reproduction 4g. Examine how Mutation introduces new alleles 5a. List the key points about Charles Darwin and his “origin of species” book 5b. Describe the main features of natural selection 6a. Construct a diagram to show the relationship between an ecosystem, environment, community, population, species, habitat and niche 6b. Define the terms and roles of producers, consumers, herbivores, omnivores, carnivores, and decomposers 6c. Construct a food chain and food web 6d. Describe what the arrows a food web show, in terms of energy 7a. Give examples of adaptations that are structural, behavioural or physiological / functional 7b. Complete a case study for a New Zealand Plant or Animal on its Habitat, Niche and Adaptations 8a. Identify and describe unique features about kowhai / tui, kauri, kiwi, kakapo, tuatara 8b. List the main threats to our native plants and animals