Study Guide

Biology
Test Design and Framework

The test design below describes general assessment information. The framework that follows is a detailed outline that explains the knowledge and skills that this test measures.

Test Design

Format Computer-based test (CBT)
Number of Questions 80 multiple-choice questions
Time* 2 hours and 15 minutes
Passing Score 220

*Does not include 15-minute CBT tutorial

Test Framework

 

graph of percentages of each content domain's weight toward overall test score detailed in table below

Content Domain Range of Competencies Approximate Percentage of Test Score
1. From Molecules to Organisms: Structure and Processes 0001–0003 20.5%
2. Ecosystems: Interactions, Energy, and Dynamics 0004–0006 17%
3. Heredity: Inheritance and Variation of Traits 0007–0008 12.5%
4. Biological Evolution: Unity and Diversity 0009–0010 12.5%
5. Chemistry 0011 12.5%
6. Physics 0012 12.5%
7. Earth Science 0013 12.5%

Domain 1–From Molecules to Organisms: Structure and Processes

Competency 0001–Analyze the chemistry of living systems.

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Competency 0002–Analyze cell structure, function, bioenergetics, and cellular homeostasis.

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Competency 0003–Demonstrate knowledge of the structures and functions of organisms, including their life cycles.

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Domain 2–Ecosystems: Interactions, Energy, and Dynamics

Competency 0004–Analyze obtaining, storing, and using energy and matter to maintain homeostasis.

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Competency 0005–Analyze populations and communities.

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Competency 0006–Demonstrate knowledge of ecosystems and biomes.

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Domain 3–Heredity: Inheritance and Variation of Traits

Competency 0007–Analyze molecular genetics.

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Competency 0008–Analyze patterns and processes of inheritance.

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Domain 4–Biological Evolution: Unity and Diversity

Competency 0009–Demonstrate knowledge of biological evolution.

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Competency 0010–Demonstrate knowledge of common ancestry and diversity.

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Domain 5–Chemistry

Competency 0011–Apply knowledge of chemistry concepts.

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Domain 6–Physics

Competency 0012–Apply knowledge of physics concepts.

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Domain 7–Earth Science

Competency 0013–Apply knowledge of Earth science concepts.

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