Chapter 1 Vocab Flashcards
Variety of life within an area
Biodiversity
All organisms and the part of earth where they exist
Biosphere
Group of organisms so similar to one another that the can breed and produce fertile offspring
Species
The scientific study of all forms of life
Biology
Any individual living thing
Organism
The basic unit of life
Cell
All chemical processes that synthesize or break down materials within an organism
Metabolism
A molecule the stores genetic information in all organisms
DNA; deoxyribonucleic acid
Changing, organized group of related parts that interact to form a whole
System
Collection of organisms and non living things, such as climate, soil, water, and rocks in an area
Ecosystem
Regulation and maintenance of constant internal conditions in an organism
Homeostasis
The change of living things over time
Evolution
An inherited trait that gives an advantage to individual organisms and is passed on to future generations
Adaptation
Using the senses to study the world; using tools to collect measurements; examining previous research results
Observation
Observations and measurements recorded during an experiment
Data
Proposed explanation or answer to a scientific question
Hypothesis
Process that tests a hypothesis by collecting information under controlled conditions
Experiment
Condition or factor that is manipulated by a scientist during an experiment
Independent variable
Experimental data collected through observation and measurement
Dependent variable
Condition that is controlled so that it does not change during an experiment
Constant
Proposed explanation do a wide variety of observations and experimental results
Theory
Tool that provides an enlarged image of an object
Microscope
Study and comparison of genomes within a single species or among different species
Genomics
Use and application of living things and biological processes
Biotechnology
Organism whose genome has been altered to contain one or more genes from another organism or species
Transgenic
Describe light microscopes
Use light, examine both living and preserved specimens, magnifys up to 1500 times
Describe a scanning electron microscope
Use electrons, Cannot study living specimens, electrons are detected and interpreted by a computer to form a three-dimensional image, can magnify up to 100,000 times
Describe transmission electron microscopes
Use electrons, cannot study living specimens, use electrons to pass through a specimen causing the images to be two-dimensional
A stretch of DNA that stores genetic info; specific region of DNA structure and function on the molecular level
Gene
All of an organisms DNA
Genome
Four characteristics of living things
One or more cells, need chemical energy, respond to stimuli, reproduce/develop
Draw a diagram of the hypothesis thingy power note 1.3 mabob
Yes
