Online Class: Biology 101
Lesson 1: Introduction to the Study of Biology
Biology, the study of life in all its manifestations, initially focused mainly upon disease and its treatment.
Lesson 2: Scientific Method
All through history, individuals have employed methodologies of science in their attempts to discover new facts about nature. It is generally accepted that science is based upon a productive kind of methodology called the scientific method.
Lesson 3: Characteristics of Living Things
Life cannot be defined in such terms as weight, volume, or wavelength, nor can it be said that life is a liquid, solid, or gas. No doubt this baffling nature of life contributes in large measure to the fascination biology holds for many individuals.
Lesson 4: The Role of Chemistry in Biology
One of the longest standing debates in biology is the question of whether proteins or nucleic acids came first in the evolution of the first forms of life.
Lesson 5: Chemistry Basics
To start from the very beginning, the entire universe is made up of what are referred to as atoms.
Lesson 6: Biochemistry and other Bio-Sciences
Biochemists focus solely on the chemical attributes of biology in trying to explain various biological phenomena, whereas biologists study biological systems more broadly.
Lesson 7: Comparison of Prokaryotic and Eukaryotic Cell Structures
The term prokaryote (“before nucleus”) currently is used in reference to bacteria and a group of simple photosynthetic cells called blue-green algae. Cells of all other organisms contain nuclei and are termed eukaryotes (“true nucleus”).
Lesson 8: Energy Conversion in Eukaryotic Cells
Whether potential energy is made available for work by a reaction, or work is done to transform some other kind of energy into potential energy, some energy is always lost in the process.
Lesson 9: Mendel’s Laws and Modern Genetic Terminology
The observations of Gregor Mendel on heredity in the edible garden pea represent the first disciplined, analytical inquiry into the mechanism of inheritance.
Lesson 10: Patterns of Inheritance
Mendel was the first to present evidence for the existence of genes as particulate or material entities.
Lesson 11: Molecular Genetics
It was in 1884 that Eduard Strasburger, Oscar Hertwig, and Walter Flemming first developed the idea that genetic material was carried in what are called chromosomes.
Lesson 12: How DNA and RNA Work
Transcription is the process by which RNA is created. As it has been previously stated, while DNA can self-replicate, RNA cannot.
Lesson 13: Why Genes Matter to You
Your genetic sequence is entirely unique. There is no one else in the world, nor has there been anyone in the history of the world, with the exact genetic sequence you have in your DNA.
Lesson 14: Introduction to the Study of the Origins of Life
There are many different theories about the origin of life, ranging from life originating from spontaneous generation to life beginning in deep sea thermal vents or bacterial life arising from different parts of the universe.
Lesson 15: Fundamentals of Life Origins
The theory of spontaneous generation proposes that life originated from inanimate matter other than seeds, eggs or parents.
Lesson 16: Other Considerations in the Search of Life
Scientists always look for water when they search for life on Earth and in space.
Lesson 17: The Development of an Evolutionary Principle: A Selective Overview of the History
Aristotle first developed his natural philosophy, the precursor to science.
Lesson 18: How Evolution Works
Darwin’s concept of natural selection provided the framework for how evolution did not occur randomly.
Lesson 19: Speciation
When evolutionary changes become so substantial that, by comparative anatomy, two groups of one species become too distinct to be placed in the same category, this results in speciation.
Lesson 20: Accompanying Evolutionary Concepts
When a particular trait within an organism proves beneficial in the face of the pressures of natural selection, this is called adaptation.
Lesson 21: Modern Evidence for Evolution and Common Ancestry
Gregor Mendel and the rise of the science of genetics was perhaps the greatest boost to evolutionary theorists, as the study of genetics provided an explanation of how evolution actually worked.
Lesson 22: Why We’re Here Today
Human beings evolved, just like every other organism on the planet, from ancestor organisms.
Lesson 23: Dynamics of Population
When we talk about studying the dynamics of population, we’re talking about quantifying the way population changes, both in the long and in the short term.
Lesson 24: Human Population Dynamics
Because humans are far more unpredictable, it’s more difficult to predict human population growth and decline than it is to predict animal or plant population growth or decline.
Lesson 25: Ecosystem Structure
Studying the relationship between organisms and their abiotic environment helps us understand different kinds of adaptational processes.
Lesson 26: The Flow of Energy in Ecosystems
When describing good webs, we must make some boundary to the system of interest, otherwise the entire planet will be united in a single web.
Lesson 27: Major Ecosystems
This lesson explores the major ecosystems; marine, aquatic, estuarine, and terrestrial.
Lesson 28: Biochemical Cycles
As energy flows through a food web, it is involved in chemical reactions at each trophic level, whereby atoms are combined, separated, and recombined.
Lesson 29: Succession
If left alone, the fresh scar of bare earth left by a landslip will gather a mantle of green as grasses and herbs sprout.
Lesson 30: Other Topics in Ecology
Mankind has introduced harmful elements into our ecological environment.
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Course Title: Biology 101
Course Number: 7550569
By successfully completing this course, students will be able to:
- Describe the study of biology.
- Define scientific method.
- Define characteristics of living things.
- Define the role of chemistry in biology.
- Describe chemistry basics.
- Know biochemistry and other bio-sciences.
- Recognize the comparison of prokaryotic and eukaryotic cell structures.
- Describe energy conversion in eukaryotic cells.
- Define Mendel’s Laws and modern genetic terminology.
- Describe patterns of inheritance.
- Describe molecular genetics how DNA and RNA work.
- Determine why genes matter to you.
- Know study of the origins of life.
- Describe other considerations in the search of life.
- Know the development of an evolutionary principle.
- Describe how evolution works.
- Define speciation.
- Describe dynamics of population.
- Identify human population dynamics.
- Describe ecosystem structure.
- Define major ecosystems.
- Know biochemical cycles and succession, and
- Demonstrate mastery of lesson content at levels of 70% or higher.
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