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:

Scientists: _______________ that can be _______ by ___________________

Science is ______________but a ___________________ Because of new tools, techniques, & discoveries, our understanding of science is __________________.

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

BIOLOGY =__________________ = ________________ Bacteria Image from:

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

1.Made of _________ 2. _____________ 3. Based on a _____________________ 4. _______ and ____________ 5.______ & ___ ________ & _______ 6. ________ to their ____________ 7. ______________________________ 8. As a group, __________________ Characteristics of ALL LIVING THINGS

ALL LIVING THINGS ARE: Made of cells The _____ is the ______________.

ALL LIVING THINGS ARE: Made of cells ____________organisms are _____________ Image from: (Ex: _________)

ALL LIVING THINGS ARE: Made of cells _________________ organisms _______ as _________ but as adults are _________________________ Ex: (___________ __________ ) Images from:

ALL LIVING THINGS Reproduce ____________ ____________ _____________the ___________________ from _____________ ________________ Seen in animals and plants Family image from:

___________ ______________ makes a new organism using the ________________ from _________________ Seen in bacteria, plants, and some animals Planaria animation: ALL LIVING THINGS Reproduce

All living things share a universal genetic code Hereditary material = DNA ______________________ _________________ with instructions for one _______ is called a ________. Image from:

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

Multicellular organisms grow bigger by __________________ AND _____________________. Image from: Image by Riedell ALL LIVING THINGS Grow & develop

MULTICELLULAR ORGANISM don’t just contain MANY CELLS… but many _______________ of cells with _____________________ Image from:

The _________________ EMBRYONIC STEM CELLS into different looking ADULT cells doing different jobs = __________________________ Image from:

_________________________ what makes them ___________ 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.

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”

ALL LIVING THINGS Take in Materials & Use Energy ___________ use energy from sunlight or chemicals to ________________ Ex: _____________ use ____________to turn _________ into _________ Image from:

ALL LIVING THINGS Take in Materials & Use Energy ______________ get their energy by ___________________ Ex: ________ (including you) and _________________ Image from:

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:

ALL LIVING THINGS Respond to their environment 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. Image from:

ALL LIVING THINGS Respond to their environment A stimulus can be ____________ Ex: When the glucose level in your bloodstream becomes low, your body responds by making you feel hungry.

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.

HOMEOSTASIS Drinking a BIG GULP increases the amount of water in your body Your next stop gets rid of the excess water. (OSMOREGULATION)

ALL LIVING THINGS as a group, change over time = ______________ Allows _______ of ________ in a ___________