A.P. Biology
This course is designed to be the equivalent of a college introductory biology course usually taken by biology majors during their first year. The primary goal of this course is to provide students with the conceptual framework, factual knowledge, and analytical skills necessary to deal critically with the rapidly changing science of biology.
This course is structured around the four big ideas:
Big Idea 1: Evolution
The process of evolution drives the diversity and unity of life.
Big Idea 2: Cellular Processes: Energy and Communication
Biological systems utilize free energy and molecular building blocks to grow, to reproduce, and to maintain dynamic homeostasis.
Big Idea 3: Genetics and Information Transfer
Living systems store, retrieve, transmit, and respond to information essential to life processes.
Big Idea 4: Interactions
Biological systems interact, and these systems and their interactions possess complex properties.
This course is designed to be the equivalent of a college introductory biology course usually taken by biology majors during their first year. The primary goal of this course is to provide students with the conceptual framework, factual knowledge, and analytical skills necessary to deal critically with the rapidly changing science of biology.
This course is structured around the four big ideas:
Big Idea 1: Evolution
The process of evolution drives the diversity and unity of life.
Big Idea 2: Cellular Processes: Energy and Communication
Biological systems utilize free energy and molecular building blocks to grow, to reproduce, and to maintain dynamic homeostasis.
Big Idea 3: Genetics and Information Transfer
Living systems store, retrieve, transmit, and respond to information essential to life processes.
Big Idea 4: Interactions
Biological systems interact, and these systems and their interactions possess complex properties.
ESSENTIAL WEBSITES:
1) AP Central - College Board website
2) Biology Junction
3) Practice by Topic
4) The Kahn Academy - At home lectures on specific topics and question forum
5) AP BIO Web Labs
6) Mastering Biology - AP Biology Textbook (Registration required. Follow instructions in the file below)
7) Brain Beau - practice tests/ quizzes
2) Biology Junction
3) Practice by Topic
4) The Kahn Academy - At home lectures on specific topics and question forum
5) AP BIO Web Labs
6) Mastering Biology - AP Biology Textbook (Registration required. Follow instructions in the file below)
7) Brain Beau - practice tests/ quizzes
| master_biology_registration_instructions_updated_aug_22_2013.doc |
CH. 7 - Transport in Cells Animations
Fluid mosaic Model of Cell Membrane Animation
*Watch each of the following animations in ALL 4 parts. Then, answer the questions below in your notebooks. BE sure to label each part with headings and answer the questions in complete sentences.
PART 1: Diffusion Animations
1) How Diffusion works
Diffusion Questions:
a) What is simple diffusion?
b) How does the lump of sugar diffuse into the water?
c) Is this a form of ACTIVE or PASSIVE TRANSPORT?
PART 2: Facilitated Diffusion
1) How Facilitated Diffusion works
Facilitated Diffusion Questions:
a) What is the role of the carrier proteins in this process?
b) Where are the greatest number of particles in the beginning of the animation? Where are they by the end?
c) When is facilitated diffusion used over simple diffusion by a cell?
d) Is this a form of ACTIVE or PASSIVE TRANSPORT?
PART 3: Osmosis
1) How Osmosis works
2) Osmosis and Plamolysis in plants
Osmosis Questions:
a) Is osmosis a type of diffusion? Explain.
b) What is a solute? How does it relate to the tonicity of water in cells?
c) What happens to a cell in a hypertonic solution? Hypotonic? Isotonic?
PART 4: Active Transport
1) Sodium (Na+) and Potassium (K+) Pump
2) Active Transport - Endocytosis (specifically phagocytosis) as a White blood cell engulfs a bacterium
a) What is the role of the Na+/K+ protein pump in cells?
b) Where are the greatest number of Na+ particles in the beginning of the animation? Where are they (Na+) by the end?
c) Where are the greatest number of K+ particles in the beginning of the animation? Where are they (K+) by the end?
d) Why is ATP used in this animation? Is this a form of ACTIVE or PASSIVE TRANSPORT?
e) Describe the process of how a bacterium is engulfed. Where does the endocytosis and exocytosis occur in the animation?
f) Is this a form of ACTIVE OR PASSIVE TRANSPORT?
*Watch each of the following animations in ALL 4 parts. Then, answer the questions below in your notebooks. BE sure to label each part with headings and answer the questions in complete sentences.
PART 1: Diffusion Animations
1) How Diffusion works
Diffusion Questions:
a) What is simple diffusion?
b) How does the lump of sugar diffuse into the water?
c) Is this a form of ACTIVE or PASSIVE TRANSPORT?
PART 2: Facilitated Diffusion
1) How Facilitated Diffusion works
Facilitated Diffusion Questions:
a) What is the role of the carrier proteins in this process?
b) Where are the greatest number of particles in the beginning of the animation? Where are they by the end?
c) When is facilitated diffusion used over simple diffusion by a cell?
d) Is this a form of ACTIVE or PASSIVE TRANSPORT?
PART 3: Osmosis
1) How Osmosis works
2) Osmosis and Plamolysis in plants
Osmosis Questions:
a) Is osmosis a type of diffusion? Explain.
b) What is a solute? How does it relate to the tonicity of water in cells?
c) What happens to a cell in a hypertonic solution? Hypotonic? Isotonic?
PART 4: Active Transport
1) Sodium (Na+) and Potassium (K+) Pump
2) Active Transport - Endocytosis (specifically phagocytosis) as a White blood cell engulfs a bacterium
a) What is the role of the Na+/K+ protein pump in cells?
b) Where are the greatest number of Na+ particles in the beginning of the animation? Where are they (Na+) by the end?
c) Where are the greatest number of K+ particles in the beginning of the animation? Where are they (K+) by the end?
d) Why is ATP used in this animation? Is this a form of ACTIVE or PASSIVE TRANSPORT?
e) Describe the process of how a bacterium is engulfed. Where does the endocytosis and exocytosis occur in the animation?
f) Is this a form of ACTIVE OR PASSIVE TRANSPORT?
ASSIGNMENTS:
Due Monday, 10/15- Ch. 2 Guided notes (Chemistry of Life)
*QUIZ on Tues. 10/23- Ch. 2 (Chemistry of Life- ppt below)
****END OF 1st QUARTER!********************
*CH. 12 & 13 TEST on TUES. 10/16! (Notebook check/hall passes EC)
Due Monday, 10/15- Ch. 2 Guided notes (Chemistry of Life)
*Ch. 13 QUIZ on THURSDAY, 10/11!
Due Friday, 10/5- Ch. 13 guided notes
Due Thursday, 10/4- Mitosis lab
**Extra Credit Opportunity** Due on October 3- Participate in the Annual Digital Science Fair- Complete paperwork packet (see file below!)
*Ch. 12 QUIZ on TUES. 10/2!
Due Friday, 9/28 - Complete your "Cancer and the Cell Cycle" Padlet post to the site (Click link) Password: bobcats
Due Wed. 9/26- Complete Ch. 12 Guided notes
**DATE CHANGE* Unit #1 TEST (CH. 1, 25, 6, & 7 ) on TUESDAY, 9/25! (see "Unit #1 Test Review" document below to help you study!)
*CH. 7 QUIZ on Friday,9/21! (newly added!)
*Water Potential Quiz on Tues. 9/18! (see ppt notes below & practice answer key)
Due Monday, 9/17- Complete Water Potential Practice Problems (if absent- see "Water Potential Practice" file below: PAGE 3 ONLY!) * Watch Water Potential Review - Bozeman for additional help!
Due Tues. 9/11- Ch. 7 Guided notes
*QUIZ on Ch. 6 on THURSDAY, 9/6! (see pdf file below of class notes and video links below under "Ch. 6")
Due Friday, 8/1- Cell Microscope Lab
Due Monday, 8/27-Read Ch. 6 and complete guided notes
*QUIZ on Ch. 1 & 25 on THURSDAY, 8/23!
Due Monday, 8/20 - Read Chapters 1 and 25 of textbook. Be prepared with completed guided notes worksheets and to discuss and ask questions! *See links below under Ch. 25 &26!
Due Wednesday, 8/15- Parent Signature of syllabus (LAST PAGE ONLY!) and lab safety contract (See files below under "Downloads" if you need another copy)
*QUIZ on Tues. 10/23- Ch. 2 (Chemistry of Life- ppt below)
****END OF 1st QUARTER!********************
*CH. 12 & 13 TEST on TUES. 10/16! (Notebook check/hall passes EC)
Due Monday, 10/15- Ch. 2 Guided notes (Chemistry of Life)
*Ch. 13 QUIZ on THURSDAY, 10/11!
Due Friday, 10/5- Ch. 13 guided notes
Due Thursday, 10/4- Mitosis lab
**Extra Credit Opportunity** Due on October 3- Participate in the Annual Digital Science Fair- Complete paperwork packet (see file below!)
*Ch. 12 QUIZ on TUES. 10/2!
Due Friday, 9/28 - Complete your "Cancer and the Cell Cycle" Padlet post to the site (Click link) Password: bobcats
Due Wed. 9/26- Complete Ch. 12 Guided notes
**DATE CHANGE* Unit #1 TEST (CH. 1, 25, 6, & 7 ) on TUESDAY, 9/25! (see "Unit #1 Test Review" document below to help you study!)
*CH. 7 QUIZ on Friday,9/21! (newly added!)
*Water Potential Quiz on Tues. 9/18! (see ppt notes below & practice answer key)
Due Monday, 9/17- Complete Water Potential Practice Problems (if absent- see "Water Potential Practice" file below: PAGE 3 ONLY!) * Watch Water Potential Review - Bozeman for additional help!
Due Tues. 9/11- Ch. 7 Guided notes
*QUIZ on Ch. 6 on THURSDAY, 9/6! (see pdf file below of class notes and video links below under "Ch. 6")
Due Friday, 8/1- Cell Microscope Lab
Due Monday, 8/27-Read Ch. 6 and complete guided notes
*QUIZ on Ch. 1 & 25 on THURSDAY, 8/23!
Due Monday, 8/20 - Read Chapters 1 and 25 of textbook. Be prepared with completed guided notes worksheets and to discuss and ask questions! *See links below under Ch. 25 &26!
Due Wednesday, 8/15- Parent Signature of syllabus (LAST PAGE ONLY!) and lab safety contract (See files below under "Downloads" if you need another copy)
ONLINE LECTURES and HELPFUL LINKS:
*NEW! - Textbook Chapter outlines
BIG IDEA #2 CELLULAR PROCESSES
Ch. 6- The Tour of the Cell
Ch. 7- Membrane Structure and Function
Ch. 8 - Introduction of Metabolism* CLASS ACTIVITY IN COMPUTER LAB: Enzyme Virtual Labs
1) Glencoe- Enzyme-controlled Reactions (see file below)
2) LabBench- Enzyme Catalysis Activity (catalase/peroxide titration)
Ch. 9- Cellular Respiration
*CLASS - How cell obtain energy
*CLASS: Khan Academy Oxidation/Reduction reactions
* Tie in video of cellular respiration to photosynthesis - Bozeman Biology
CH. 10 - Photosynthesis
1) Process of photosynthesis - Bozeman
2) Cyclic and Noncyclic (Linear) Photophosphorylation animation
3) Photosynthesis lab - Bozeman
* IN CLASS: Leaf Assay lab- getting the disks to sink (video)
CH. 11- Cellular Communication
BIG IDEA #3 GENETICS AND INFORMATION TRANSFER
CH. 12 & 13 Cell Cycle/ Mitosis/Meiosis
*Bozeman Cell Cycle/ Mitosis/Meiosis (IN CLASS)
*Bozeman Meiosis and Mitosis Simulation with beads (IN CLASS)
1) Lecture- Mitosis & Meiosis
2) Review animatios on mitosis/meiosis/checkpoints, spindle, nondisjunction and cancer
3) Outline notes on mitosis and meiosis plus great videos/animations
4) Amoeba Sisters- Chromosome Numbers
*LAB BENCH- Mitosis/ Meiosis Virtual lab (Cell Cycle and Sordaria)
*Bozeman lab video
*Cell Cycle Game- See if you can properly control the cell cycle and test your knowledge!
CH. 14 & CH. 15 - Genetics
1) Overview of main concepts- Bozeman
2) Genotypes and Phenotypes- Bozeman
3) Non-mendelian inheritance patterns - Bozeman
4) Advanced Genetics- Bozeman
5) Linked Genes- Bozeman
* Laws of Multiplication and Addition- Bozeman (already watched in class!)
**Genetics practice problems - last page of packet; SOLUTIONS to problems from Biology Junction.com
CH. 16 & 17 - Genetic Discoveries, DNA, and Protein Synthesis
1) DNA and RNA - Part 1
2) DNA and RNA - Part 2
3) DNA Replication
4) Transcription and Translation
5) Meselson and Stahl experiment
6) Beadle and Tatum experiments
CH. 18- Gene Expression
*Nova's "A Ghost in your Genes" video (seen in class)
1) Lac Operon animation
2) Trp Operon animation
3) Genotype Expression - Bozeman
4) Gene Regulation - Bozeman
* McGraw-Hill Online: Additional Animations with post-quiz to see if you get it! All the animation quizzes for Ch. 13 (links on left side) are great!
CH. 19- Viruses
1) Viruses - Bozeman
2) Viral Replication - Bozeman
*HIV animation
Ch. 20 - Biotechnology
1) How Restriction Enzymes work
2) Polymerase Chain Reaction
3) Gel Electrophoresis- Animation/virtual lab
4) How animal Cloning works- Mimi the Mouse game/ animation
5) Construction of a Plasmid Map
BIG IDEA #3 - EVOLUTION
Ch. 22 and Ch. 23 - Evolution
1) Darwin's Evidence of Evolution
2) Hardy-Weinberg Theory
3) Genetic Drift
CH. 24 - Speciation
1) Speciation
2) Prezygotic and Post zygotic barrier
Ch. 25- Origins of Life *8th Ed.
1) Origin of Life - Chapter overview (Bozeman science)
2) Radiometric dating of fossils
3) Magnetic Reversal
5) Miller- Urey Experiment - first potential organic compounds
6) Endosymbiotic Theory
CH. 26
1) Phylogenetics
2) Phylogenetic Tree Animation and Cladogram Animation (watched in class)
BIG IDEA #2 CELLULAR PROCESSES
Ch. 6- The Tour of the Cell
- Bozeman Biology - Tour of the cell
- Eukarya and Endosymbiosis
- Epithelial tissue (tight junctions)
- *TED Video - Amazing Cell
Ch. 7- Membrane Structure and Function
- Cell membrane structure_
- Transport across a cell membrane
- Diffusion/Passive/Active Transport
- Endocytosis- Phagocytosis/Pinocytosis
- Solutions and Molarity (*NEW - need to understand molarity to understand transport!)
- Molarity - visual animation
- *Water Potential Review - Bozeman
- OSMOSIS / DIFFUSION and CALCULATION OF WATER POTENTIAL VIRTUAL LAB
Ch. 8 - Introduction of Metabolism* CLASS ACTIVITY IN COMPUTER LAB: Enzyme Virtual Labs
1) Glencoe- Enzyme-controlled Reactions (see file below)
2) LabBench- Enzyme Catalysis Activity (catalase/peroxide titration)
Ch. 9- Cellular Respiration
*CLASS - How cell obtain energy
*CLASS: Khan Academy Oxidation/Reduction reactions
- Oxidation/reduction (specific to cell respiration)
- HELPFUL animations with self-quizzes - Krebs, oxidative phosphorylation *menu of other animations on left side
- How yeast produce ethanol- alcoholic fermentation (process of producing beer, wine, etc) *Cute overview!
- Animation of the chemical steps of Fermentation- alcoholic and lactic acid
* Tie in video of cellular respiration to photosynthesis - Bozeman Biology
CH. 10 - Photosynthesis
1) Process of photosynthesis - Bozeman
2) Cyclic and Noncyclic (Linear) Photophosphorylation animation
3) Photosynthesis lab - Bozeman
* IN CLASS: Leaf Assay lab- getting the disks to sink (video)
CH. 11- Cellular Communication
- Signal transduction Interactive
- Gallery of cell signaling animations
- Inside the Story of Cell Communication
- Cells responses to various signal scenarios
- Apoptosis pathway
BIG IDEA #3 GENETICS AND INFORMATION TRANSFER
CH. 12 & 13 Cell Cycle/ Mitosis/Meiosis
*Bozeman Cell Cycle/ Mitosis/Meiosis (IN CLASS)
*Bozeman Meiosis and Mitosis Simulation with beads (IN CLASS)
1) Lecture- Mitosis & Meiosis
2) Review animatios on mitosis/meiosis/checkpoints, spindle, nondisjunction and cancer
3) Outline notes on mitosis and meiosis plus great videos/animations
4) Amoeba Sisters- Chromosome Numbers
*LAB BENCH- Mitosis/ Meiosis Virtual lab (Cell Cycle and Sordaria)
*Bozeman lab video
*Cell Cycle Game- See if you can properly control the cell cycle and test your knowledge!
CH. 14 & CH. 15 - Genetics
1) Overview of main concepts- Bozeman
2) Genotypes and Phenotypes- Bozeman
3) Non-mendelian inheritance patterns - Bozeman
4) Advanced Genetics- Bozeman
5) Linked Genes- Bozeman
* Laws of Multiplication and Addition- Bozeman (already watched in class!)
**Genetics practice problems - last page of packet; SOLUTIONS to problems from Biology Junction.com
CH. 16 & 17 - Genetic Discoveries, DNA, and Protein Synthesis
1) DNA and RNA - Part 1
2) DNA and RNA - Part 2
3) DNA Replication
4) Transcription and Translation
5) Meselson and Stahl experiment
6) Beadle and Tatum experiments
CH. 18- Gene Expression
*Nova's "A Ghost in your Genes" video (seen in class)
1) Lac Operon animation
2) Trp Operon animation
3) Genotype Expression - Bozeman
4) Gene Regulation - Bozeman
* McGraw-Hill Online: Additional Animations with post-quiz to see if you get it! All the animation quizzes for Ch. 13 (links on left side) are great!
CH. 19- Viruses
1) Viruses - Bozeman
2) Viral Replication - Bozeman
*HIV animation
Ch. 20 - Biotechnology
1) How Restriction Enzymes work
2) Polymerase Chain Reaction
3) Gel Electrophoresis- Animation/virtual lab
4) How animal Cloning works- Mimi the Mouse game/ animation
5) Construction of a Plasmid Map
BIG IDEA #3 - EVOLUTION
Ch. 22 and Ch. 23 - Evolution
1) Darwin's Evidence of Evolution
2) Hardy-Weinberg Theory
3) Genetic Drift
CH. 24 - Speciation
1) Speciation
2) Prezygotic and Post zygotic barrier
Ch. 25- Origins of Life *8th Ed.
1) Origin of Life - Chapter overview (Bozeman science)
2) Radiometric dating of fossils
3) Magnetic Reversal
5) Miller- Urey Experiment - first potential organic compounds
6) Endosymbiotic Theory
CH. 26
1) Phylogenetics
2) Phylogenetic Tree Animation and Cladogram Animation (watched in class)
Protocells - TED Talk below!
BIG IDEA #4 - INTERACTIONS
Ch. 43, 45, & 48- Human Body Systems Unit
1) Cell Specialization (all chapters)
CH. 43 IMMUNE SYSTEM
2) Immune System
3) Humoral Response
4) Multiple sclerosis- an autoimmune disease
5) Rh factor- Blood type antigen
Ch. 45 NERVOUS SYSTEM
5) Nervous System
6) Nerve impulse animation
5) Movement across the synapse animation- neurotransmitters
6) Neuromuscular junction
*BBC Documentary (1993) - Awakening the Frozen Addicts (in class)
Ch. 48 ENDOCRINE SYSTEM
7) Endocrine System
8) Pituitary gland regulation and feedback animation
9) What are endocrine disruptors?
*TED Video- Toxic Baby and Endocrine disruption (in class)
Ch. 36,38, 39- Plants
1) Ch. 39 - Plant hormones and control
2) Mechanisms of Timing and Control - Plants and Animals
3) Plant Structure
4) Water potential Review- Ch. 36
CH. 40 Physiological Mechanisms in Animals
1) Thermoregulation
2) Calculation measurements- Temperature Coefficient
3) Homeostatic Evolution
ECOLOGY UNIT
CH. 51 Animal Behavior
1) Animal behaviors- Bozeman
CH. 52 Ecology and Biosphere
1) Trophic levels and ecology
2) r and K selected species
CH. 53 Population Ecology
1) Population variations
CH. 54 Community Ecology
1) Community Ecology
2) Community interactions
Online Lab Activities:
EVOLUTION LAB: Comparing DNA Sequences to Understand Evolutionary Relationships with BLAST
*The Evolution of Flight in Birds (1st Activity Only)
*What did T. Rex Taste like?
What is BLAST? Read about it more here before starting the Procedures.
(Scroll down to "BLAST: Detecting New Sequence Similarities")
*New Fossil Gene Files (Step 2- Download 3 gene files)
*BLAST homepage (Step 3- Upload 3 gene files)
Chi Squared Analysis Lab video- Bozeman
*The Evolution of Flight in Birds (1st Activity Only)
*What did T. Rex Taste like?
What is BLAST? Read about it more here before starting the Procedures.
(Scroll down to "BLAST: Detecting New Sequence Similarities")
*New Fossil Gene Files (Step 2- Download 3 gene files)
*BLAST homepage (Step 3- Upload 3 gene files)
Chi Squared Analysis Lab video- Bozeman
Time for some Wii Dance Stress Relief Session!
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Cell Communication Pathway Song Performances!
AP BIO AFTER SCHOOL REVIEW SESSIONS:
Review websites:
Funnel Brain
Semester 1 Review
Semester 2 Review
Virtual Labs- Reviews major concepts
AP Bio Labs- virtual
Semester 1 Review
Semester 2 Review
Virtual Labs- Reviews major concepts
AP Bio Labs- virtual
| 01biochemistry_top_ten_review.pdf |
| 02cells_top_ten_review.pdf |
| 03metabolism_top_ten_review.pdf |
| 04genetics_top_ten_review.pdf |
| 05evolution_top_ten_review.pdf |
| 06animal_top_ten_review.pdf |
| 07plant_top_ten_review.pdf |
| foglia_ap_lab_review.ppt |
DOWNLOADS:
| research_article_assignment_instructions_updated_2014.docx |
| reading_science_primary_literature.pdf |
| ch._39_notes.ppt |
| ch._38_notes.ppt |
| ch._36_notes.ppt |
| ch._35_notes.ppt |
| ap_bio_study_guide_ch_43_45_48.docx |
| ch._48_nervous_system_notes.ppt |
| ch._45_endocrine_system_notes.ppt |
| ch._43_notes_immune_system.ppt |
| response_time_research.pdf |
| senses_lab.pdf |
| ch._54_lecture_community_ecology.ppt |
| ch._53_pop._ecology_lecture_notes.ppt |
| ch._52_notes.ppt |
| ch._51_animal_behavior.ppt |
| ch._27_note_bacteria_and_archaea.ppt |
| ch._26_notes.ppt |
| ch._24_notes.ppt |
| chapter_23_outline_evolution.pdf |
| ch._23_notes.ppt |
| ch._22_notes.ppt |
| deep.pdf |
| ch._19_lecture_notes.ppt |
| ch._18_lecture_notes.ppt |
| ch._17_lecture_notes.ppt |
| ch._16_lecture_notes.ppt |
| the_immortal_life_of_henrietta_lacks_extra_credit_assignment.docx |
| ch._16_chart_-_dna_discoveries_and_scientist_-_student_copy.docx |
| ch_15_lecture_notes.ppt |
| ch._14_lecture_notes.ppt |
| ap_biology_midterm_study_guide_2013.pdf |
| ch._13_notes.ppt |
| gaingroundbreastcancer.pdf |
| chapter_12_lecture_notes.ppt |
| mitosis_outline_notes.doc |
| 11_lecture_notes.ppt |
| cell_communication_pathway_song.docx |
| ch._10_lecture_notes_photosynthesis.ppt |
| 10_lectureoutline_lo.pdf |
| ch_9_cell_respiration_lecture_updated_oct_2013.ppt |
| enzyme_virtual_lab.docx |
| 08_lecture_012.ppt |
| lab_report_format.doc |
| scientific_writing.pdf |
| experimental_organizer.docx |
| biomolecule_summary_table.docx |
| ch._5_lecture_notes_updated_sept_2012.ppt |
| ap_bio_lab_1_-_animal_behavior_pill_bug.docx |
| ch._3__4.ppt |
| ch_2_modified_campbell_ppt.pptx |
Start of A.P. Biology 2018-2019 Files
| ap_bio_chapter_2-_chem_of_life_2018.pdf |
| mitosis_vs._meiosis_answer_key._pdf.pdf |
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| ap_bio_ch_12_cell_cycle_oct_1_2018.ppt |
| biology_science_fair_extra_credit_1st_quarter.pdf |
| unit_1_ap_test_review.docx |
| water_potential_practice-_graph_with_answer_key.pdf |
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