Viruses and Life Traits Flashcards
What is natural causality?
For all natural phenomena there are underlying causes.
What is cause and effect?
The use of scientific investigation to understand nature.
What are myths?
How many phenomena are explained.
What bacteria caused the plague?
Yersinia Pest
Who came up with the germ theory of disease?
Louis Pasteur and Robert Koch.
What is the germ theory of disease?
For all infectious diseases there exists a microbial agent.
What are the 11 traits of life?
Cells, Homeostasis, Energy, Metabolism, Reproduction, Growth and Development, Genes, Heredity, Evolution, Ecological Interactions, and Irritability
What are ecological interactions?
Forms of life interacting with one another.
What is irritability?
How life responds to its environment and needs.
What is heredity?
Passing on genetic information.
What are genes?
The storer of genetic information. (DNA)
What is cell theory?
- All life is composed of cells
- Cell is the basic unit of life
- Life is required to make more life
What are the 2 types of life?
Viral and Cellular life.
What type of DNA can be incorporated into organisms?
Viral DNA
What traits of life do viruses have?
Have genetic information (RNA or DNA), Change over time, and interact with other organisms.
What is the living level of organization?
Cell –> Tissue –> Organ –> Organ System –> Organism –> Population
What is a cell?
The basic unit of life.
What are tissues?
Specialized cell types with specific functions.
What are organs?
Structures with multiple tissue types.
What are organ systems?
Multiple organs with overlapping functions.
What is an organism?
Around 30 trillion cells, dozens of tissues, and organ systems.
What are populations?
Groups of species of organisms
What are ecological communities?
Interactions between different species.
What are ecosystem studies?
Interactions between organisms and their environment.
