Simple organisms that consist of one cell.
The study of bacteria.
Similar to ethological isolation.
The study of the chemical processes and substances that occur in living things.
The changes experienced by a particular species over thousands and millions of
generations as it reproduces varying offspring, more of which are generally better suited
to survive in their environment than the generation before. Similar to Organic
Evolution.
The biological study of the geographic distribution of plants and animals. Similar to
Geographical Distribution.
The scientific study of living things.
Any organic material that can be converted into energy or into a source of energy.
A plant and animal community that covers a large geographical area. The boundaries of
different biomes are determined mainly by climate.
The statistical study of biological data.
The application of the techniques of physics to the study of living things.
A layer of gases above the atmosphere.
The science or study of the world of plants.
Form of genetic drift that occurs when a particular population undergoes a dramatic
decrease in size, resulting in a change of allelic frequencies once the population has
regained its original size.
The process of raising or mating animals for man's constructive purpose.