Classification of veterbrates B1 Topic 1 Classification, Variation and Inheritance This topic looks at: General characteristics of animals and plants Problems surrounding classification Adaptations of organisms that can survive in extreme environments Variation, inheritance and Darwin's theory of evolution Describe the characteristics of organisms within the FIVE vertebrate kingdoms a) b) c) d) e) Organisms have adapted to live in extreme environments, what are two examples of these? 1. 2. Why is classification important? KeyWords: Kingdoms, Chordata, vetebrates, invetebrates, bionomonal system, State the 5 kingdoms and their characteristics used to classify ALL organisms a) b) c) d) e) Identification Key Draw an identification key for bat, dragonfly, eagle and fly. Classification of veterbrates What terms are used to describe vertebrates and what they mean Which species are hard to classify Keywords:

B1 Topic 1 Classification, Variation and Inheritance This topic looks at: General characteristics of animals and plants Problems surrounding classification Adaptations of organisms that can survive in extreme environments Variation, inheritance and Darwins theory of evolution Describe the 6 steps of Darwin's theory of evolution by natural selection What factors cause variation? 1. 2. Variation in a species can be grouped into two types Explain, give examples and draw a graph for each type of variation Genetic Variation Draw punnet squares or genetic cross diagrams Explain how brown eyes parents can have a blue eyed child 2. Show the phenotype and genotype for a cat heterozygous for colour and recessive for white. 3. Brown eyes are dominant over blue eyes. A homozygous dominant male mates with a heterozygous female Keywords: variation, continuous, discontinuous, genetic, environmental What do these keywords mean? Chromosome DNA Genes Alleles Recessive Dominant Heterozygous homozygous Phenotype Genotype Keywords: evolution, monohybrid inheritance