Western Governors University

D882: Secondary Biology Curriculum

A study guide to WGU's D882, which pulls biology content from cells to ecosystems together for future secondary biology teachers.

Updated October 2026 · 5 min read

D882 (common course number BIO 3060) is a course in Western Governors University's Bachelor of Science, Science Education (Secondary Biological Science).

WGU describes it as offering a comprehensive understanding of biological principles and processes, starting from fundamental cellular structures and functions and moving to the complexities of ecosystem dynamics.

Students study genetics, evolution and ecological interactions, gaining insight into the diversity of life and the interconnectedness of biological systems.

The course emphasizes critical thinking and problem-solving through hands-on activities, scenarios and case studies, and highlights the impact of environmental change on ecosystems, fostering an appreciation of conservation and sustainability.

For future teachers, the challenge is not only knowing the biology but understanding it well enough to see how topics connect. Secondary students learn cells, genetics and ecology as separate units; a strong teacher can show how a mutation in DNA, natural selection and a changing ecosystem are parts of one story.

Course at a Glance

ItemDetails
UniversityWestern Governors University (WGU)
Course codeD882 (BIO 3060)
ProgramBS Science Education (Secondary Biological Science)
LevelUndergraduate, competency-based
Subject areaBiology content for secondary teaching
Typical workContent mastery through scenarios and case studies; check your course for the assessment type

WGU also lists a D883 with the same title in some program versions. Make sure the materials you use match your own course code.

What D882 Covers

AreaKey ideas
CellsOrganelles and their functions, membranes and transport, mitosis and meiosis, cell communication
EnergyPhotosynthesis and cellular respiration as linked processes
GeneticsDNA structure, replication, gene expression, Mendelian and non-Mendelian inheritance, mutation
EvolutionNatural selection, genetic drift, speciation, evidence for common ancestry
Diversity of lifeClassification and the major groups of organisms
EcologyPopulations, communities, energy flow, nutrient cycles, ecosystem dynamics
Conservation and sustainabilityHuman impacts on ecosystems and strategies to reduce them

Key Concepts Explained

From Gene to Trait

DNA is transcribed into messenger RNA, which is translated into a sequence of amino acids that folds into a protein. A change in the DNA sequence can change the protein and therefore the trait.

Example: In sickle cell disease, a single base substitution in the gene for the beta chain of hemoglobin replaces glutamic acid with valine. The altered hemoglobin can make red blood cells sickle under low oxygen. Carriers with one copy have some protection against severe malaria, which explains why the allele is more common where malaria has been widespread: a clear link between genetics, natural selection and environment.

Punnett Squares and Probability

Example: Two parents heterozygous for a recessive condition (Aa x Aa) produce offspring in the ratio 1 AA : 2 Aa : 1 aa. Each child has a 25% chance of being affected, a 50% chance of being a carrier and a 25% chance of being neither, regardless of how many children the family already has.

Energy Flow in Ecosystems

Only a fraction of energy passes from one trophic level to the next; a commonly taught approximation is about 10%. This explains why food chains are short and why top predators are relatively few, and it connects to conservation: removing a predator or a producer affects the whole web.

Thinking Like a Biology Teacher

D882 sits in a teacher preparation program, so it helps to study each topic with a classroom in mind. Ask what misconceptions secondary students commonly bring.

Many believe individual organisms evolve during their lifetime, that plants get their mass from the soil rather than from carbon dioxide in the air, or that dominant alleles are always the most common. Knowing these in advance shapes how you would explain a concept and what questions you would ask to reveal misunderstanding.

The course description stresses hands-on activities, scenarios and case studies. When you revise, connect each topic to an investigation a secondary class could run safely: modeling natural selection with colored beads, measuring photosynthesis with leaf discs, or sampling a local habitat to estimate biodiversity.

Thinking this way deepens your own understanding and prepares you for the methods and clinical courses that follow.

Typical Assessments and How to Approach Them

Task typeWhat it testsHow to approach it
Scenario or case study questionsApplying principles to new situationsIdentify the underlying concept first, then reason step by step
Data interpretationReading graphs and experimental resultsDescribe the trend, then explain it biologically, then note limitations
Explanations of processesAccurate, sequenced understandingUse correct terms in the right order; a labeled diagram helps
Conservation and sustainability analysisLinking human activity to ecosystem changeTrace the chain of effects and propose evidence-based responses

Where Students Get Stuck

Study Tips for D882

How We Help with D882

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Frequently Asked Questions

What is the common course number for D882?

WGU lists D882 as BIO 3060.

Which program is D882 part of?

The Bachelor of Science, Science Education (Secondary Biological Science) at WGU.

What topics does D882 cover?

Cellular structures and functions through genetics, evolution and ecology to ecosystem dynamics, with an emphasis on conservation and sustainability.

Is D882 a teaching methods course?

It focuses on biology content and critical thinking. Teaching methods are covered in separate courses in the program.

How should I revise for D882?

Connect topics with concept maps, practice data interpretation, and explain processes in your own words.

Can you make practice questions for me?

Yes. We can write practice questions with worked answers on the topics you choose.