Disease
Disease is a condition that impairs the normal functioning of an organism. It can be caused by a variety of factors such as pathogens, genetic mutations, environmental factors, and lifestyle choices.
Types of Diseases
- Infectious diseases: Caused by pathogens such as bacteria, viruses, fungi, and parasites.
- Non-infectious diseases: Caused by genetic factors, environmental factors, and lifestyle choices.
- Communicable diseases: Can be transmitted from one person to another, such as the flu or COVID-19.
- Non-communicable diseases: Cannot be transmitted from one person to another, such as diabetes or cancer.
Causes of Diseases
- Pathogens: Microorganisms that cause infectious diseases.
- Genetic mutations: Changes in the DNA that can lead to genetic diseases.
- Environmental factors: Pollution, radiation, and other environmental factors can contribute to the development of diseases.
- Lifestyle choices: Poor diet, lack of exercise, smoking, and excessive alcohol consumption can increase the risk of various diseases.
Prevention and Treatment
Preventing and treating diseases often involves a combination of strategies including vaccination, good hygiene practices, healthy lifestyle choices, and medical interventions such as medications and surgeries.
Study Guide Questions
.◂Biology Worksheets and Study Guides High School. Chromosomes, Genes and DNA
Worksheet/Answer key
Chromosomes, Genes and DNA 
Worksheet/Answer key
Chromosomes, Genes and DNA Worksheet/Answer key
Chromosomes, Genes and DNA Vocabulary/Answer key
Chromosomes, Genes and DNA Vocabulary/Answer key
Chromosomes, Genes and DNA Vocabulary/Answer key
Chromosomes, Genes and DNA
Worksheet/Answer keyWorksheet/Answer keyVocabulary/Answer keyVocabulary/Answer keyVocabulary/Answer keyThe resources above cover the following skills:
Concepts Of Biology: The student will demonstrate the ability to use scientific skills and processes (Core Learning Goal 1) and major biological concepts to explain the uniqueness and interdependence of living organisms, their interactions with the environment, and the continuation of life on earth.
The student will be able to explain the correlation between the structure and function of biologically important molecules and their relationship to cell processes.
The student will be able to describe the unique characteristics of chemical substances and macromolecules utilized by living systems.
The student will analyze how traits are inherited and passed on from one generation to another.
The student will illustrate and explain how expressed traits are passed from parent to offspring.
The student will explain how a genetic trait is determined by the code in a DNA molecule.
The student will interpret how the effects of DNA alteration can be beneficial or harmful to the individual, society, and/or the environment.
The student will explain the mechanism of evolutionary change.
The student will explain how new traits may result from new combinations of existing genes or from mutations of genes in reproductive cells within a population.