Explain how many cells are produced from one fertilised egg, after two cell divisions by mitosis

Individuals do not compete directly for resources, but are prey for the same predator

Describe the relationship and movement between temperature and density in a convection cell. make sure you identify the direction of travel

For the strategies below, decide whether they are best described as demand-side solutions or supply-side solutions to meeting human needs for fresh water. remember that a demand-side solution reduces demand for fresh water, whereas a supply-side solution increases the supply of fresh water. (a) damming a river to create a reservoir (b) desalinating seawater (c) a nation invading a neighboring country to access their rivers (d) raising water prices for consumers and businesses (e) providing tax breaks for companies that use less water (f) replacing inefficient irrigation with more-efficient drip irrigation to grow crops (g) requiring low-flow showerheads in all new homes