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chapter 1 Lesson 1

What is life?

cell the basic unit of structure and function in living things
organisms a living thing
stimulus a change or signal in the environment that can make an organism react in a way
sexual reproduction a reproductive process that involves two parents that combines their genetic material
controlled Experiment an experiment where one variable is controlled at a time
response action in behavior in result of a stimulus
unicellular created of a single cell
development the process of change that occurs during an organism to produce a complex organism
spontaneous generation a mistake idea that living things come from nonliving sources
autotroph an organism that is able to capture sunlight or chemicals to make its own food
multicellular having many cells
hetrotroph an organism that cant make its own food but gets food by consuming other living things
metabolism combination of chemical reactions when an organism builds up or breaks in a way
homeostasis a condition where an organisms inside environment is kept stable in spite of changes to the outside
controlled Experimeant an experiment where one variable is controlled at a time
Created by: 0003728stu