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CH 2 BIO
| Question | Answer |
|---|---|
| Paleontologists specialize in the study of... | extinct organisms |
| if you are observing stained cells with a light microscope, you are using a ... | compound microscope |
| a light microscope's usefulness in studying viruses is restricted by | its limit of resolution |
| in cell cultures biologists do not | develop similiar cells |
| in the biology laboratory, to transfer small amounts of liquid you use.. | pipettes |
| specific parts of cells can be separated from the rest of the cell by | centrifugation |
| the lens at the top of the microscope tube is called the | ocular |
| biologists who specialize in the study of animal behavior are called | ethologists |
| a process that is essential to a species but not to an individual is | reproduction |
| beyond the limit of resolution of a microscope | objects become blurry |
| all oranisms must | use energy |
| scientists who study the possible effects of a small change inthe Earth's climate are studying problems at the | global level |
| you have reached the limit of resolution of the best light microscope when something is magnified | 1000 times |
| scientists who determine how the construction of a dam would affect a nearby endangered species of animals are called | ecologists |
| the line between life and nonlife becomes blurred in trying to describe | viruses |
| alll organisms that consist of a single cell are | unicellular |
| complex substances are synthesized from simpler substances through processes called | anabolism |
| two cells from different individuals unite to produce the first cells of a new organsm by | sexual reproduction |
| plants, unlike animals, carry on | photosynthesis |
| an organisms's ability to maintain stable conditions necessary for life is called | homeostasis |
| the end of the life span of each individual is called | death |
| during growth most living things go through a cycle of change known as | development |
| the ability of an organism to react to stimuli is called | irritability |
| the term that includes all the others... (light, pressure, stimulus, gravity) | stimulus |
| a specimen must be stained and sliced when it is studied with | a compound light microscope |
| scientists who study why male mallards have bright green heads are working at the | population level |
| in the laboratory liquids are measured with | graduated cylinders |
| the lens at the bottom of the microscope tube is the | objective |
| the process by which cells are broken apart in a blender is caled | cell fractionation |
| complex substances are broken down into simpler substances in a process called | catabolism |
| anything that causes an organism to react is called a | stimulus |
| to observe living one-celled organisms scientists use | a compound light microscope only |
| the ability of a body to maintain a constant internal temperature is an example of | homeostasis |
| the sum of all the reactions in the body is called | metabolism |
| three dimensianal pictures of the surface of an organism are made by _________ microscopes | scanning electron microscope |
| in electron microscopes, streams of electrons are bent by _______ | electromagnets |
| to obtain identical copies of a single cell, scientists use _____ | centrifugation |
| all organisms use energy,____, and die | age |
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