If you're taking biology, you've probably discovered that there are a lot of words to remember. Mitochondria. Ribosomes. Osmosis. Homeostasis. Cellular respiration. Photosynthesis. And just when you think you've memorized everything, your teacher asks a question that isn't simply, “What is ___?” That's because doing well on a biology test usually requires more than memorizing definitions. You need to understand how the different pieces fit together. Here are some practical ways to prepare. 1. Don't Just Memorize the Definition Suppose you're studying osmosis . You could memorize: Osmosis is the movement of water across a selectively permeable membrane. But can you explain what that actually means? Try putting the definition into your own words: Water moves through a membrane toward the side where there is a higher concentration of dissolved substances. Now give yourself an example. What happens to a cell if it's placed in a solution with a much higher c...
You've got an essay due. You've opened a blank document. And you've been staring at the blinking cursor for 20 minutes. What exactly are you supposed to write? Getting started can be one of the hardest parts of writing an essay. The good news is that you don't need to come up with a brilliant opening sentence right away. In fact, trying to write the perfect first sentence is often what keeps you from writing anything at all. Here are some ways to get moving. 1. Figure Out What the Question Is Asking Before you start writing, make sure you understand the assignment. If your teacher asks: “How does the main character change throughout the novel?” your essay isn't simply supposed to describe the character. You need to explain how the character changes and probably provide evidence from the book. Underline or circle the important words in the assignment. Then put the question into your own words. If you can't explain what the assignment is asking, it's going to...