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Slide 1Dichotomous Keys: TEKS 7.11A To the teacher: This CPO Science PowerPoint presentation is designed to guide you through the process of presenting the lesson to your…

Slide 1Changes over time Life originated from a single-celled organism. Finding a fossils age helps scientists to construct an evolutionary timeline. Slide 2 Three types…

Slide 1I NVESTIGATION 8 “A DAPTATION ” Slide 2 W HY DO CHANGES IN AN ORGANISM AFFECT ITS CHANCES OF SURVIVAL ? Living things have basic needs, such as energy, water,…

1.More of Mendel2. What we know…1. Inheritance of biological characteristics is determined by genes2. Principle of Dominance– When there are two or more alleles for agene,…

1.More of Mendel2. What we know…Inheritance of biological characteristics is determined by genesPrinciple of DominanceWhen there are two or more alleles for a gene, some…

1. ALL ABOUT HAMSTERS BY SARA FELLMAN HAMSTERS HAMSTERS 2. Table of Contents Question and Answer Pages Fast Facts Page Reference Page About Me Page 3. Where do Hamster live?…

1. Animal Cell Anatomy BASIC UNIT OF LIFE 2. Thecell is the basic unit of life. All organisms are made up of cells (or in some cases, a single cell). Most cells are very…

1. LECTURE 5 2.2.5Lethal Genes 2.2.6 Linked Genes 2. OBJECTIVES At the end of the lesson, students should be able to : Explain dominant and recessive lethal allele. Calculate…