WHAT IS SCIENCE? Chapter 1 Key concept: What is the goal of science?

SCIENCE: Is an ________________ Uses_______ to ______ events ______and organizes ______ Deals only with __________ Looks for _______ and __________ Image from: http://www.erschools.org/Teachers/henderson/webquest/images/scientist.jpg

_______________ that can be _______ by ___________________ Scientists: _______________ that can be _______ by ___________________ http://www.darvill.clara.net/enforcemot/graphics/newton.gif

Science is ______________but a ___________________ Because of new tools, techniques, & discoveries, our understanding of science is __________________. http://www.npr.org/programs/fa/features/2005/04/flat_200.jpg http://atmos.pknu.ac.kr/~swimm/wall/1024/EARTH.JPG

Our understanding of science is _________ in _______ intelligent AIDS Renewable fuels Global warming Stem Cell Research Alternative energy Endangered species Bird flu Cancer Pollution Cloning Nuclear power Our understanding of science is _________ in _______ intelligent ________ about a wide variety of _______ that affect our lives.

BIOLOGY =__________________ = ________________ Bacteria Image from: http://analyzer.depaul.edu/astrobiology/kingdoms.jpg

Click the image to play the video segment. It’s Alive! Part 1 1A Part 2 1B Click the image to play the video segment.

Characteristics of ALL LIVING THINGS Made of _________ _____________ Based on a _____________________ _______ and ____________ ______ & ___ ________ & _______ ________ to their ____________ ______________________________ As a group, __________________

ALL LIVING THINGS ARE: Made of cells The _____ is the ______________. http://sps.k12.ar.us/massengale/study_guides_bi.htm

ALL LIVING THINGS ARE: Made of cells ____________organisms are _____________ (Ex: _________) Image from: http://www.agen.ufl.edu/~chyn/age2062/lect/lect_06/bacsiz.GIF

ALL LIVING THINGS ARE: Made of cells _________________ organisms _______ as _________ but as adults are _________________________ Ex: (___________ __________ ) Images from: http://www.angelbabygifts.com/ http://www.inclusive.co.uk/downloads/images/pics2/tree.gif

ALL LIVING THINGS Reproduce ________________________ _____________the ___________________ from _____________ ________________ Seen in animals and plants Family image from: http://babyhearing.org/Parenet2Parent/index.asp

ALL LIVING THINGS Reproduce _________________________ makes a new organism using the ________________ from _________________ Seen in bacteria, plants, and some animals Planaria animation: http://www.t3.rim.or.jp/~hylas/planaria/title.htm

All living things share a universal genetic code Hereditary material = DNA ______________________ _________________ with instructions for one _______ is called a ________. Image from: http://sbchem.sunysb.edu/msl/dna.gif

ALL LIVING THINGS Grow & develop Image by Riedell _____________ organisms, like a bacterium, grow by ________________.

ALL LIVING THINGS Grow & develop Image by Riedell Image from: http://www.bcps.org/offices/lis/models/life/images/grow.JPG Multicellular organisms grow bigger by __________________ AND _____________________.

MULTICELLULAR ORGANISM don’t just contain MANY CELLS… but many _______________ of cells with _____________________ Image from: http://www.isscr.org/images/ES-cell-Fig-2.jpg

Embryonic cell that has the potential to differentiate into a wide variety of cell types = __________ http://learn.genetics.utah.edu/content/tech/stemcells/scissues/

The _____________________ from an EMBRYONIC STEM CELL into different looking ADULT cells doing different jobs =______________________ Image from: http://www.ncu.edu.tw/~ls/graph/faculty_pictures/whole_time/SLC/SLC_lab-1.jpg

_________________________ what makes cells ___________ is _______________ are _______________________ See end of show for image sources

It’s like having a whole library full of books, but reading only the books that are important to you. http://school.discovery.com/clipart/clip/report2.html http://www.adc.state.az.us/programs/offlibsvs.html

ALL LIVING THINGS Take in Materials & Use Energy To________________,organisms _______ a constant supply of ____________________ & ____________ This sheep uses the MOLECULES and ENERGY in the food it eats to make “more sheep” http://ag.ansc.purdue.edu/sheep/ansc442/Semprojs/2003/spiderlamb/eatsheep.gif

ALL LIVING THINGS Take in Materials & Use Energy ___________ use energy from sunlight or chemicals to ________________ Image from: http://vilenski.org/science/safari/cellstructure/chloroplasts.html Ex: _____________ use ____________to turn _________ into _________ http://www.inclusive.co.uk/downloads/images/pics2/tree.gif

ALL LIVING THINGS Take in Materials & Use Energy ______________ get their energy by ___________________ Ex: ________ (including you) and _________________  Image from: http://www.epa.gov/region5/superfund/ecology/images/fishcartoon.gif

Vocab word the combination of all the ________________ through which an organism ________ or ___________ materials as it carries out its life processes = ___________________

ALL LIVING THINGS Respond to their environment A signal to which an organism responds = ___________________  Image from: http://www.travel-net.com/~andrews/images/animations/traffic.gif

ALL LIVING THINGS Respond to their environment  Image from: http://www.ccs.k12.in.us/chsBS/kons/kons/images/stimresp.jpg A stimulus can be _________________ Ex: When there is enough water and ground is warm enough, seed germinates. Roots respond to gravity & grow downward. Leaves respond to sunlight & grow up. http://www.nofretete-page.de/gemischtNeu/TN_plant_grow_w.JPG

ALL LIVING THINGS Respond to their environment   http://www.estrellamountain.edu/faculty/farabee/biobk/BioBookCHEM2.html A stimulus can be ____________ Ex: When the glucose level in your bloodstream becomes low, your body responds by making you feel hungry. http://www.israellycool.com/eat%20guy%20AFP.jpg

VOCAB WORD A cell works to keep conditions inside the cell constant = ______________________ IF temperature, water content, nutrients, acidity change too much . . . the cell will die.

HOMEOSTASIS involves internal __________ mechanisms If body temp drops too low, “shivering” produces heat to warm you up. If temp is too hot, “sweating” cools you down. http://www.dreamstime.com/thumb_4/1099235658Q3A4x8.jpg http://www.clipartheaven.com/clipart/seasons_&_weather/overheating_2.gif

HOMEOSTASIS Drinking a BIG GULP increases the amount of water in your body http://www.me-go.net/rtw/images/biggulp.jpg Your next stop gets rid of the excess water. (OSMOREGULATION) http://pluck.typepad.com/photos/uncategorized/restroom_blog.gif

ALL LIVING THINGS as a group, change over time = ______________ Allows _______ of ________ in a ___________ http://cache.eb.com/eb/image?id=63386&rendTypeId=4