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MatejkaLife
| Question | Answer |
|---|---|
| What are the characteristics of living things? | Cells, sense/respond to change, reproduction, DNA, energy use, growing and developing |
| What are the two types of reproduction? | Sexual and asexual |
| What are the five chemical building blocks of cells? | Proteins, carbohydrates, lipids, ATP, and nucleic acids |
| For most organisms, how much of the body is water? | About 70% |
| How are decomposers and producers different? | Decomposers break down the nutrients in dead organisms while producers make their own food. |
| What is heredity? | The passing of genetic traits from parent to offspring |
| What is the difference between asexual and sexual reproduction? | Asexual reproduction is when a single parent produces offspring that is identical to the parent. Sexual reproduction is when two parents produce offspring that will share characteristics of both parents. |
| What is a carbohydrate? | A class of energy giving nutrients that includes sugars, starches, and fiber: it contains carbon, hydrogen, and oxygen. |
| How are lipids and phospholipids different? | Lipids store energy while phospholipids form cell membranes. |
| Why are nucleic acids called the blueprints of life? | Because nucleic acids have all the information needed for a cell to make proteins. |
| What are the four basic needs of every organism? | Water, air, food, and a place to live |
| What does DNA do? | Controls the structure and function of cells |
| Why must organisms maintain stable internal conditions? | Because many chemical changes can only occur when the conditions are just right. |
| What does homeostasis mean? | maintaining stable internal conditions |
| What is the major energy-carrying molecule in the cell? | ATP |
| What is the smallest unit that can perform all life processes? | The cell |
| About how long can humans survive without water? | About 3 days |
| What is nucleic acid? | a molecule made up of subunits called nucleotides |
| What is metabolism? | The sum of all chemical processes that occur in an organism |
| What is a stimulus? | Anything that causes a reactionor change in an organism or any part of the organism |
| What are three examples of stimulus? | Chemicals, gravity, light |
| What is a consumer? | an organism that eats other organisms or organic matter |
| What is protein? | a molecule that is made up of amino acids and that is needed to build and repair body structures and to regulate processes in the body |
| What is the difference between fats and oils? | Fats are solids at room temperature while oils are liquid at room temperature |
| What are the two types of carbohydrates? | Simple and complex |
| Most chemical reactions involving metabolism requir what? | Water |
| What does a cell contain? | All things necessary for life |
| What is your body trying to do when it is sweating or shivering? | It is trying to cool down if it is sweating and trying to warm up if it is shivering |
| What is an example of a simple carbohydrate? | Table salt is a simple carbohydrate |
| How to green plants, algae, and some bacteria make food? | They convert carbon dioxide and oxygen into food and oxygen in a process called photosynthesis. They convert the energy insunlightto energy stored in food. |
Created by:
matt1
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