Percent Increase and Decrease Quiz
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AP Biology UNIT 8 Ecology 8.4 Effect of Density on Populations Video
Ever wondered how population density affects survival in ecosystems? In this video, we break down the effect of population density and how limited food, water, and living space can impact organisms. You'll learn how dense populations increase competition, spread disease faster, and change how species interact with their environment. We also explore how ecosystems like rainforests, savannas, deserts, and wetlands support different population sizes based on available resources and carrying capacit
8th - 12th, Adult Education, Higher Education
Biology, General Science, Other (Science)
CCSS
RST.11-12.1
, RST.11-12.2
, RST.11-12.3
+7
AP Biology UNIT 6 Gene Expression 6.2 DNA Replication Video
Ever wonder how cells copy DNA with near-perfect accuracy? In this video, we break down DNA replication step by step — the process that allows genetic information to be passed from one cell to the next and from parents to offspring. You’ll learn: What happens during the S phase of the cell cycle Where DNA replication occurs in eukaryotes vs. prokaryotes How enzymes like helicase, primase, DNA polymerase, and ligase work together The difference between the leading strand and lagging strand
8th - 12th, Adult Education, Higher Education
Biology, General Science, Other (Science)
AP Biology UNIT 3 Cellular Energetics 3.5 Cellular Respiration Video Guide
Cellular Respiration 3.5 is your updated AP Bio overview that finally makes sense of glycolysis, the link reaction, the Krebs cycle, and the electron transport chain. This breakdown shows how ATP is produced and energy flows through the cell with clear, step-by-step logic. Perfect for AP Biology Unit 3 review or exam prep, it simplifies complex pathways so you actually remember them. Get the clarity you need before your next quiz or test. 🔍 Topics Covered Structure and function of the mitocho
9th - 12th, Adult Education, Higher Education
Biology, General Science, Other (Science)
Thermochemistry Unit -Editable PPT and Worksheet, notes, answer keys, free video
Thermochemistry Bundle - Editable PowerPoint and worksheet, instructor's notes and answer key included. Free Thermochemistry Lecture videos that accompany the notes. THERMOCHEMISTRY TOPICS COVERED: Spontaneous Vs. Nonspontaneous Process, Entropy and Microstates, Change in Entropy, Second Law of Thermodynamics, Third Law of Thermodynamics, Standard Entropy, Gibbs Free Energy, Standard Free Energy Changes, Temperature Dependance on Spontaneity, Free Energy and EquilibriumBest suitable for preparin
9th - 12th, Adult Education, Higher Education
Chemistry, Physical Science, Physics
Electrochemistry Unit -Editable PPT and Worksheet, notes, answers, free videos
Electrochemistry Bundle - Editable PowerPoint and worksheet, instructor's notes and answer key included. Free Electrochemistry lecture videos that accompany the notes. ELECTROCHEMISTRY TOPICS COVERED: Oxidation and Reduction Reaction Definition, Oxidation Numbers, Balancing Redox Reactions, Galvanic (Voltaic) Cells, Standard Cell Potential, Standard Potential and Free Energy, Nonstandard Potential, Electrolysis, Comparing Galvanic vs. Electrolytic CellsBest suitable for preparing for AP Chemistr
9th - 12th, Adult Education, Higher Education
Chemistry, Physical Science, Physics
AP Biology Complete Unit 2 BUNDLE: Cells | Video Lesson Guide Worksheets
AP Biology Unit 2: Cell Structure & Function Test Prep BundleLessons • Video Guides • Labs • MCQs • FRQs • Worksheets • AssessmentUpdated for the 2025 AP Biology Course and Exam Description (CED), this comprehensive Unit 2 bundle provides everything students need to master Cell Structure and Function and prepare confidently for classroom assessments and the AP Biology Exam.AP Biology Unit 2 Test Prep BundleUpdated for the 2025 AP Biology Course and Exam Description (CED)10 comprehensive lessons
9th - 12th, Adult Education, Higher Education
Biology, General Science, Other (Science)
CCSS
RST.11-12.1
, RST.11-12.2
, RST.11-12.3
+7
UPDATED 2026 AP Biology Unit 4: Cell Communication COMPLETE UNIT STUDY BUNDLE
🧬 AP Biology Unit 4 Test Prep BundleLessons • MCQs • FRQs • Worksheets • AssessmentUpdated for the 2025 AP Biology Course and Exam Description, this resource includes a video lesson and specialized practice to help AP Biology students learn, study, and confidently review Unit 4: Cell Communication and the Cell Cycle, covering cell communication, signal transduction pathways, feedback mechanisms, the cell cycle, and cell cycle regulation. From cell signaling and receptor pathways to mitosis, c
7th - 12th, Adult Education, Higher Education
Biology, General Science, Other (Science)
CCSS, NGSS
RST.11-12.1
, RST.11-12.2
, RST.11-12.3
+12
AP Biology UNIT 5 Heredity 5.1 Meiosis Venn Diagram Worksheet
🧬 AP Biology Unit 5: Heredity — Meiosis Worksheet Set (5.1) Make meiosis actually make sense for students with this no-fluff, high-impact worksheet set designed specifically for AP Biology Unit 5 (Heredity). This resource walks students through meiosis vs. mitosis, the stages of meiosis, and the big-picture purpose of chromosome reduction — all while keeping grading easy and stress low. Perfect for guided practice, independent work, review days, or sub plans. 📄 What’s Included ✔️ Mi
8th - 12th, Adult Education, Higher Education
Biology, General Science, Other (Science)
CCSS
RST.11-12.1
, RST.11-12.2
, RST.11-12.3
+7
Also included in: UPDATED 2026 AP Biology Unit 5: Heredity COMPLETE UNIT STUDY BUNDLE
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