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Biology Ch. 1

18

QuestionAnswer
Two Different Types of Microscopes Light Microscope-produce magnified images by focusing light rays. Electron Microscope- produce magnified images by focusing beams of electrons.
A signal to which an organism responds. Stimulus
Most organisms must keep internal conditions, such as temperature and water content to fairly survive. Homeostasis
Two cells from different parents unite to produce the first new cell of the new organism. Sexual Reproduction
Living things share the following characteristics: .made up of units called cells .reproduce .based on a universal genetic code .grow and develop .obtain and use materials and energy .respond to their government .maintain a stable internal enviornment .change over time
factors in an experiment that can change are called________. Varibles
All other varibles should be kept unchanged or controlled. Control
A particular hypothesis may become so well supported that scientists consider is a _________. Theory
A proposal scientific explanation for a set of observations. Hypothesis
A logical interpretation based on prior knowledge or experiance. Inference
The process of gathering information about events or process in a careful orderly way. Observation
The cell is able to reproduce so that a group of cells called a ________ , develops from the single orginal cell. Cell Culture
Group of similar organisms that breed and produce fertile offspring. Species
Combination of chemical reactions through which an organism builds up or breaks down materials builds up or breaks down materials as it carries out its life process. Metabolism
The new organism has a single parent. Asexual Reproduction
A collection of living matter enclosed by a barrier that seperates the cell from its surroundings. Cell
Seperate different cell parts Cell Fractionation
What is the goal of science? The goal of science is to investigate and understand the natural world, to explain events in the natural world, and to use those explantions to make predictions.
Created by: pinkpoodles
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