Transcript Intro to Cell Biology Review

Intro to Cell Biology
Review
http://www.animationlibrary.co
Which of the characteristics
of living things is this frog
demonstrating?
Grow and develop
Scientists are worried the Bird Flu virus will mutate
and become able to spread from person to person
causing a worldwide epidemic.
Which of the characteristics of living things is this an
example of?
Evolution; change over time
Which of the following characteristics
of living things explains why birds fly
south for the winter?
A.
B.
C.
D.
Maintain internal balance
Made up of cells
Based on a universal genetic code
Respond to their environment
D. Living things respond to their environment
http://www.biologycorner.com/bio3/images/bloodcells3D.jpg
Looking at a drop of blood
under the microscope you
see this. Which of the
characteristics of living
things is this an example
of?
Made of cells
Which of the characteristics of
living things are these examples
of?
Reproduce
Family image from: http://babyhearing.org/Parenet2Parent/index.asp
Planaria animation: http://www.t3.rim.or.jp/~hylas/planaria/title.htm
http://www.bcps.org/offices/lis/models/life/images/grow.JPG
Which of the characteristics
of living things is this boy
demonstrating?
Grow and develop
Your blood sugar is low and you stop at Taco John’s
for a late night snack. Your blood sugar goes back up.
Which of the characteristics of living things is this an
example of?
Respond to stimulus & homeostasis
http://www.lincoln.midcoast.com/~del/butterfly
Which of the characteristics
of living things is this
butterfly demonstrating?
Grow and develop
http://school.discovery.com/clipart/clip/ani-turtle.html
Another name for
a “living thing”
organism
Stimulus that comes from outside
an organism
External stimulus
Give an example of an autotroph.
Green plant
The hereditary information in
all living things is in the form
of a large molecule called
DNA
(deoxyribonucleic acid)
__________________________.
heterotroph
A human is a(n) ______________.
autotroph
heterotroph
Name 5 of the characteristics of
ALL living things.
Made of cells
Reproduce
Take in and use materials and energy
Maintain stable internal conditions (homeostasis)
Grow and develop
Respond to environment
Have a universal genetic code
As a group, change over time
This gray fish is
Heterotroph
a(n)____________
(Gets its food by eating other organisms)
Autotroph
Image from: http://www.epa.gov/region5/superfund/ecology/images/fishcartoon.gif
heterotroph
The process of changing from a stem
cell to different looking cells with
different functions
differentiation
Organism that can capture energy from
sunlight or chemicals and use it to
produce its own food; also called a
producer
autotroph
Process in which offspring are
produced by combining genetic material
from 2 parents
Sexual reproduction
Organism that obtains energy from
the food it consumes; also called
a consumer
heterotroph
Process in which offspring are
produced from the genetic material
of a single parent
Asexual reproduction
http://faculty.stcc.edu/rapp/biol102/biology_links.htm
Stimulus that comes from inside
an organism
internal stimulus
Another name for a heterotroph
consumer
A signal to which an
organism responds
stimulus
Image from: http://www.travel-net.com/~andrews/images/animations/traffic.gif
Change in an organism over time;
Process by which modern organisms
have descended from ancient
organisms
evolution
The basic unit of life is the ________.
cell
The process in which cells change
as they grow and develop to
become specialized with different
functions
differentiation
http://www.ncu.edu.tw/~ls/graph/faculty_pictures/whole_time/SLC/SLC_lab-1.jpg
Embryonic cell that has the
potential to differentiate into a
variety cell types
Stem cell
All the chemical reactions through
which an organism builds up or
breaks down materials as it carries out
its life processes
metabolism
Organism made of many cells
multicellular
Process by which organisms maintain a
relatively stable internal environment
homeostasis
http://bioweb.wku.edu/courses/BIOL115/Wyatt/Biochem/Carbos/Carb_poly.gif
The science of life (study of
living things) is called
_______________
biology