Ch 8: Cells & Their Environment A. The maintenance of _______internal conditions in a ____________ environment 1. ex. –_______ _______ II. ___________ Transport A. Cell does ______ use __________ in this process B. _____________ is reached when ________ in a cell is filled evenly C. ________________gradient- areas of _______ & ___________ concentration of substances D. ______________ 1. Movement _________ the concentration gradient a. Moves from _______ to _______concentration 2. ___________ a. Allows cells to keep their _________ balance in a changing environment

E. ___________– water moves out of cell F. ___________ – water moves into cell G. _________ – water moves equally in & out of cell III. __________ Transport A. Uses __________ B. Pulls substances _______ concentration gradient 1. ___________- movement of large substances into a cell 2. ___________- movement of materials out of a cell

Ch 9: Photosynthesis & Cellular Respiration I. ___________ Energy A. Almost all the energy in __________ compounds comes from the sun B. _______________ 1. creates _________ compounds from CO2 & H2O 2. Used by _______, _______, & prokaryotes C. ______________ 1. make their own ________ so long as ______________ is available

D. ____________ 1. Substance that _________ certain colors & ___________ all of the others 2. _________ is a ________ pigment in _____________ that absorb light energy a. absorbs mostly ______ & red light, reflects __________ & yellow. 3. ________ types of chlorophyll (a & b) 4. Pigments called ___________________ a. absorb blue & green, reflect yellow, _________, & red light b. when chlorophyll fades in the fall the ____________ are exposed

II. ___________________ A. Cells take the carbon in glucose a change it into stable carbon dioxide molecules & produce energy used to make _____. 1. ________ a. an organic molecule that is the main _________ source for cell processes B. _______ is the primary fuel for respiration 1. Formed when carbs like _______ are broken down 2. When no carbs are available cells use ________