General Biology Topics and Curriculum Outline

A comprehensive vocabulary review of general biology topics, integrating molecular, cellular, organismal, evolutionary, and ecological concepts.

Evolution, the Themes of Biology, and Scientific Inquiry

The foundational study of evolutionary theory, overarching biological themes, and the scientific methods used to investigate life.

The Chemical Context of Life

The chemical principles, elements, atoms, and molecular bonds that form the basic physical foundation of biological systems.

Water and Life

The unique emergent physical and chemical properties of water that sustain life on Earth.

Carbon and the Molecular Diversity of Life

The chemical versatility of carbon atoms in forming diverse, complex organic molecules essential to living organisms.

The Structure and Function of Large Biological Molecules

The architecture and roles of biological macromolecules, including carbohydrates, lipids, proteins, and nucleic acids.

A Tour of the Cell

The structural and functional organization of life's fundamental units, contrasting prokaryotic and eukaryotic organelles.

Membrane Structure and Function

The fluid mosaic structure of cellular membranes and their role in regulating selective permeability and cellular transport.

An Introduction to Metabolism

The totality of cellular biochemical reactions, thermodynamic energy transformations, and enzymatic control governing life processes.

Cellular Respiration and Fermentation

The catabolic metabolic pathways—glycolysis, the citric acid cycle, and oxidative phosphorylation—that harvest energy from organic fuels.

Photosynthesis

The process by which plants and other autotrophs capture light energy and convert it into chemical energy stored in sugars.

Cell Communication

The mechanisms through which cells detect, transduce, and respond to extracellular chemical signals.

The Cell Cycle

The ordered sequence of cellular growth, DNA replication, and nuclear division culminating in mitosis and cytokinesis.

Meiosis and Sexual Life Cycles

The specialized two-stage cell division that reduces chromosome number to yield haploid gametes and generate genetic diversity.

Mendel and the Gene Idea

The foundational principles of inheritance discovered by Gregor Mendel, including the law of segregation and the law of independent assortment.

The Chromosomal Basis of Inheritance

The theory establishing that Mendelian genes occupy specific loci on chromosomes and behave predictably during meiosis.

The Molecular Basis of Inheritance

The biochemical structure, replication, and repair of DNA as the hereditary material of living organisms.

Gene Expression: From Gene to Protein

The cellular process of converting genetic information encoded in DNA into functional proteins through transcription and translation.

Regulation of Gene Expression

The regulatory mechanisms controlling the timing, location, and magnitude of gene activation in prokaryotic and eukaryotic cells.

Viruses

Infectious noncellular particles consisting of genetic material encapsulated in a protein coat that reproduce exclusively inside host cells.

DNA Tools and Biotechnology

Laboratory techniques used to analyze, manipulate, clone, and sequence DNA for scientific and practical applications.

Genomes and their Evolution

The comparative study of complete organismal genome structures, gene content, and evolutionary transformations over time.

Descent with Modification: A Darwinian View of Life

The evolutionary concept that existing species arose from ancestral forms through gradual modifications driven by natural selection.

The Evolution of Populations

Microevolutionary processes that alter allele frequencies within populations across generations via natural selection, genetic drift, and gene flow.

The Origin of Species

The evolutionary mechanisms of speciation through which distinct, reproductively isolated biological species arise.

The History of Life on Earth

The chronological record of life from its origin through major evolutionary transitions, continental shifts, mass extinctions, and adaptive radiations.

Phylogeny and the Tree of Life

The evolutionary relationships and genealogical history of organisms classified through systematics and depicted via phylogenetic trees.

Bacteria and Archaea

The two primary prokaryotic domains characterized by unicellular organization, metabolic diversity, and crucial ecological functions.

The Origin and Diversification of Eukaryotes

The evolutionary transition toward complex eukaryotic cells through endosymbiosis and the resulting diversification of protistan lineages.

Plant Diversity I: How Plants Colonized Land

The terrestrial adaptations enabling ancestral photosynthetic organisms to survive on land, and the characteristics of nonvascular and seedless vascular plants.

Plant Diversity II: The Evolution of Seed Plants

The evolutionary innovations of gymnosperms and angiosperms, characterized by the emergence of pollen and protective seeds.

Fungi

Eukaryotic, chitin-walled heterotrophs that obtain nutrients by absorption and play critical ecological roles as decomposers and symbionts.

An Overview of Animal Diversity

The major body plans, tissue organizations, and developmental characteristics defining the animal kingdom.

An Introduction to Invertebrates

The vast diversity of animal species lacking a vertebral column, spanning major phyla from sponges to arthropods.

The Origin and Evolution of Vertebrates

The evolutionary lineage of chordates distinguished by a backbone, cranium, and complex organ systems, spanning fishes, tetrapods, and amniotes.

Vascular Plant Structure, Growth, and Development

The anatomy, tissue systems, and meristem-driven growth patterns that construct the vegetative organs of vascular plants.

Resource Acquisition and Transport in Vascular Plants

The mechanisms governing the uptake of water, minerals, and carbon dioxide, and their translocation via xylem and phloem.

Soil and Plant Nutrition

The chemical and physical properties of soil, essential plant nutrients, and microbial symbioses that support plant nutrition.

Angiosperm Reproduction and Biotechnology

The floral reproductive cycle, pollination, double fertilization, fruit development, and biotechnological applications in flowering plants.

Plant Responses to Internal and External Signals

The hormonal signaling systems and environmental stimuli (such as light and gravity) that modulate plant growth and physiological responses.

Basic Principles of Animal Form and Function

The fundamental relationships between anatomical structure, physiological function, bioenergetics, and homeostasis in animals.

Animal Nutrition

The mechanisms by which animals ingest, digest, absorb, and utilize organic molecules and essential nutrients.

Circulation and Gas Exchange

The physiological systems responsible for distributing vital substances and exchanging oxygen and carbon dioxide across respiratory surfaces.

The Immune System

The body's integrated defense network consisting of innate and adaptive immune mechanisms that identify and combat pathogens.

Osmoregulation and Excretion

The physiological control of water balance, internal solute concentrations, and the elimination of nitrogenous waste.

Hormones and the Endocrine System

The endocrine organs and chemical messenger molecules that coordinate long-term physiological regulation, development, and homeostasis.

Animal Reproduction

The diverse modes of asexual and sexual reproduction, gametogenesis, and fertilization observed across animal taxa.

Animal Development

The developmental stages from fertilized zygote through cleavage, gastrulation, and organogenesis that establish the adult animal body plan.

Neurons, Synapses, and Signaling

The structural and cellular basis of neural communication, including resting potentials, action potentials, and synaptic transmission.

Nervous Systems

The anatomical and functional organization of central and peripheral nervous systems that integrate sensory inputs and direct physiological responses.

Sensory and Motor Mechanisms

The cellular receptors that transduce sensory stimuli and the neuromuscular mechanisms that generate physical motor output and locomotion.

Animal Behavior

The study of animal actions, communication, social interactions, and learning analyzed through both proximate and ultimate evolutionary lenses.

An Introduction to Ecology and the Biosphere

The scientific study of interactions between organisms and their abiotic and biotic environments across regional and global spatial scales.

Population Ecology

The dynamics influencing the density, dispersion, age structure, and fluctuations of biological populations over time.

Community Ecology

The interactions among co-occurring species within an ecosystem, including competition, predation, herbivory, and symbiosis.

Ecosystems and Restoration Ecology

The flow of energy and cycling of chemical nutrients through ecological communities, alongside active scientific practices to repair damaged habitats.

Conservation Biology and Global Change

The integrative discipline addressing biodiversity loss, habitat degradation, climate change, and preservation strategies for Earth's biotas.