Guiding Question: How do we know if something is alive?

Agenda– 1B Bell Work (p. 13)– ACTIVITY (pg. 14)

• “Is it alive?”– NOTES (pg. 15)

• 1.1 B Notes– OUTLINE (pg. 16)

• 1.1 as a class– HOMEWORK (pg. 17)

• Outline Section 1.2• Due Next Class

1B - Bell Work (pg 13)– How do we determine if

something is alive or not?– Create a 2 columns labeled

alive and not alive. Sort these items into the proper location:

• Bacteria, moose, rock, virus, bird, fish, volcano, hurricane, planet, mouse

Is it alive? (pg. 14)

• Create four columns almost to the end of you paper (leave 5 lines on the bottom)

• Once sorting is finished answer the question:– What characteristics do all of the items in the alive

column share? Discuss with you classmates. Please list and explain at least 4 common characteristics.

Alive Never Alive Once Alive Not Sure

• All organisms share certain characteristics.

Biology is the scientific study of all forms of life.

• An organism is any individual living thing.– All are made of one or more cells.

• An organism is any individual living thing.– All need energy for metabolism.– http://www.exploratorium.edu/imaging-station/students/cell_motility.html

• An organism is any individual living thing.– All respond to their environment. – http://www.exploratorium.edu/imaging-station/students/c_elegans.html– http://www.exploratorium.edu/imaging-station/students/blood_cells.html– http://www.exploratorium.edu/imaging-station/students/cell_struct_funct.html

• An organism is any individual living thing.– All have DNA that they pass on to offspring.– http://www.exploratorium.edu/imaging-station/students/sea_urchins_div.html– http://www.exploratorium.edu/imaging-station/students/sea_urchins_fert.html– http://www.exploratorium.edu/imaging-station/students/zebrafish.html

– All need energy for metabolism.

• An organism is any individual living thing.– All are made of one or more cells.

– All respond to their environment.– All have DNA that they pass on to offspring.

Glossary Words

Write the word and the definition in Ch. 1 Glossary (Pg. 10)

4. Organism

Summary

• Write one paragraph answering the guiding question.– How do we know if something is alive or not?

• Below Bell Work!