Biology Help & Examples

Enhance your understanding of High School Biology through our interactive example questions. Each question is crafted to reinforce key concepts, enabling you to apply your knowledge effectively and prepare for exams with confidence.

Learn Biology by Concept

High School Biology

Cell Biology

Cell Division

Meiosis+4 topics

Mitosis+2 topics

The Cell Cycle+2 topics

Cell Functions

Cell Respiration+3 topics

Photosynthesis+2 topics

Transport and Signaling+4 topics

Cell Structures and Organelles

Cellular Differences+3 topics

Common Cell Structures+6 topics

DNA, RNA, and Proteins

DNA

DNA Replication+3 topics

DNA Structure+4 topics

Proteins

Protein Function+3 topics

Protein Structure+3 topics

Translation+1 topic

RNA

RNA Structure+2 topics

Transcription+3 topics

Ecology

Chemical Cycles

Food Pyramids and Food Webs

Genetics and Evolution

Evolutionary Principles

Genetics Principles

Genes and DNA+3 topics

Hardy-Weinberg Equilibrium+2 topics

Inheritance Patterns+4 topics

Mutation+2 topics

Introductory Topics

Attributes of Life

Feedback and Homeostasis

Macromolecules

Tissues, Organs, and Organ Systems

Connective Tissue

Epithelium and Endothelium

Muscle Tissue

Nervous Tissue

Organs and Organ Systems

Circulatory System+3 topics

Digestive System+3 topics

Endocrine System+4 topics

Excretory System+4 topics

Immune System+3 topics