SACE stage 1 Biology

Well written comprehensive essay about the Copper shark, a keystone species in the GAB region. The essay details the importance of biodiversity and why the GAB is a unique location which should be protected, the role copper sharks play in their ecosystem as apex predators, the threats of their species in the region including shark fishing, micro-plastics and potential oil drilling and a conclusion.

Full set of notes for first semester of stage 1 biology. Very comprehensive (22 pages in length). Notes cover the following topics: Background Information: • Scientific method Topic 1: Cells and microorganisms • Cell theory • Classification • Prokaryotic and Eukaryotic cells • Introduction to parts of the cell and their functions • Diffusion (facilitated and passive) • Osmosis (special case of diffusion) • Types of microorganisms (bacteria, fungi, bacteria, Protista, • Cell...

Essay detailing the adaptions of amoeba bacteria which enable it to control the entry and exit of water. The essay discusses the nature of the cell membrane, the process of osmosis, active transport, contractile vacuoles, osmoregulation, exocytosis and endocytosis.

Full biology practical with introduction, aim, hypothesis, method, results (tables and graphs), insightful discussion and conclusion. Practical showed how the mass of the potato decreased after sitting in sulfuric acid solution.

Full biology practical investigation with aim, hypothesis, introduction, variables, method, results, tables, graphs, insightful discussion and conclusion. Four pages in length. The practical showed how the diffusion of sulfuric acid occurred at a faster rate in larger surface to volume ratios.