2022 Studying how this odor arises and its purpose in bird behavior combines the chemistry of smelly compounds, the biology of bacteria and even the genetics of human immune systems.Īmy Brady, Scientific American, 23 Feb.
Riley Black, Smithsonian Magazine, 23 Feb. 2022 During planned to use modern sturgeon and paddlefish to investigate the biology of their ancient relatives because of how similar modern fish are to the fossil forms found at the Tanis site. Melissa Cristina Márquez, Forbes, 18 July 2022 The camera had been put in place to better understand the reproductive biology of these huge snakes. Rachel Fadem, CNN, 26 July 2022 The project has years of data collected through in-water photography, drones, aerial surveys, and satellite and acoustic telemetry, all used to help researchers study the biology and ecology of these animals. 2022 The biology of these formidable flying machines is equally horrifying and fascinating.Īdrian Woolfson, WSJ, 31 July 2022 Since all wasps are native to Asia, the name Asian giant hornet does not convey unique information about the biology or behavior of the species, according to the ESA. 2022 The science and the biology that Shipway specializes in can help inform what should happen to preserve the wreck, and others like it.īrian Amaral,, 11 Aug. = makes sense (Birth defects) affects the number of (vitamins).Recent Examples on the Web Genetic research is essential to unlocking the complex biology - the whys - of autism. For example: (Taking vitamins) affects the numbers of (birth defects).
Usually, the sentence won't make sense if you get them wrong. The (independent variable) causes a change in the (dependent variable). Write out your variables as a sentence stating cause and effect.It may help to look at your hypothesis or purpose to remember your goal. You might be tempted to identify time or height as your variable, not the rate of growth (distance per time). So, to perform an experiment, you would fertilize plants with one fertilizer and measure the change in height of the plant over time, then switch fertilizers and measure the height of plants over the same span of time.
The rate of growth is the dependent variable. The type of fertilizer is the independent variable. If you change one variable, which is affected? If you're studying the rate of growth of plants using different fertilizers, can you identify the variables? Start by thinking about what you are controlling and what you will be measuring.Even though your independent variable might be a number that you measure, it's one you control, so it's not "dependent". Your choice could lead you to perform additional experiments since it might turn out the change in heart rate after exposure to a decrease in temperature 40 degrees (physical stress) might be different from the heart rate after failing a test (psychological stress). Note that in a good experiment, you'd want to choose a stress you could control and quantify. To perform an experiment, you would provide stress and measure the subject's heartbeat.
Your independent variable is the stress, while the dependent variable would be the heart rate. You want to know whether or not stress affects heart rate.The size of the eggs depends on the breed of chicken, so breed is the independent variable and egg size is the dependent variable. You are interested in learning which kind of chicken produces the largest eggs.The independent variable is the amount of light and the moth's reaction is the dependent variable. A change in the independent variable (amount of light) directly causes a change in the dependent variable (moth behavior). A scientist is testing the effect of light and dark on the behavior of moths by turning a light on and off.
0 kommentar(er)
