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Biology 2 exam set 1

1st 9 wks exam

QuestionAnswer
an organized way of using evidence to learn about th natural world science
process of gathring information about events or processes in a careful orderly way. Also gather with senses. observation
information gathered from observation data
quantitative & qualitative 2 main types of data
expressed as numbers obtained by counting or measuring quantitative
descriptive and involve characteristics that cannot be easily counted qualitative
interpretation based on prior knowledge or experience inference
possible explanation for a set of observation or an answer to a scientific question hypothesis
hypothesis stating that life could arise from nonliving matter spontaneous generation
Whho proposed that flies laid eggs on uncovered materials which produced maggots Fransico Redi, an italian physician
factor in an experiment that can change variable
how should hypothesis be tested in experiments changing only one variable at a time
a test of the effect of a single variable by changing it, and keeping all other variables the same controlled experiment
variable that is deliberately changed manipulated variable
variable that is observed and changes response to the manipulative variable responding variable
whose work supported the hypothesis that new organisms are produced only by existing organisms Spallanazi and Redi
scientists still in the 1800s believed in spontaneous generation until who disproved it for good Louis Pasteur
Name two things Pasteur is known for? designed a flask with a long neck that allowed air in but not dust and other organisms; showed that all things come from other living things
well tested explanation that unifies a broad range of observation theory
study of life biology
name two things cells do grow and develop; reproduce; respond to their environment
collection of living matter cell
small unit of an organism that can be considered alive cell
unicellular organisms consist of how many cells one cell
multicellular organisms consist of how many cells many cell
how many diffrent cell types make up the human body 85
a process which all organisms produce new organisms reproduction
cells from two different parents unite to produce the first cell of a new organism sexual reproducton
new organism has 1 parent and offspring and parent have same trait assexual reproduction
when plants, some bacteria and some algea obtain energy from sunlight, what is it called photosynthesis
name the two different fields biology is divided into zoology and botany
those who study animals zoologists
those who study plants botanists
most scientist use this system when collecting data and experiments metric system
decimal system of measurement whose units are based on certain physical standards and are scaled on multiples of 10 metric system
most commonly used microscope light microscope
name the two main types of election microscopes transmission electron microscope and scanning electron microscope
microscope that shines a beam of electrons through a thin specimen transmission electron microscope
microscope that scans a narrow beam of electrons back and forth against the surface scanning electron microscope
name the two most common laboratory techniques cell culturing and cell fractionation
a laboratory technique that develops from the single original cell cell culturing
a laboratory technique in which cells are broken into pieces and the different parts are separated cell fractionation
Created by: brandon_kyle10
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