Test #1 Vocab Flashcards
Ecology
The study of the interaction and relationships among organisms and their abiotic environment.
Evolution
Development or change of species over time resulting in differences among organisms
Law
If this, then this.
Theroy
The same thing as a law, just with explanation
Origin of Species
The book written by Charles Darwin that was the beginnings of the theory of evolution
Adaptors
Any trait that enables an organism to survive and/or reproduce.
Fitness
Survive and reproduce
Tolerance
An organisms ability to withstand the environments of too much or too little.
Population
The amount of the same species in the same environment
Community
A collection of species living in the same spot at the same time
Phenotype
The visible expression of a gene
Genotype
The allele or genetic combo to give us a phenotype
Ecosystem
All living and nonliving things, Community and environment
Environment
The factors that influence an organism, constantly changing.
Species
Can successfully interbreed and produce fertile offspring.
Directional Selection
Tendency to shift towards one extreme or the other via the phenotype
Stabilizing Selection
Tendency for phenotypes to concentrate on the intermediate and we lose the extremes
Disruptive Selection
Phenotypes to concentrate at the extremes, while ignoring the intermediates
DNA
Genetic Material
Genes
DNA segments that code for RNA
Mutation
any change in DNA
Variation
The variety of genes that diversify a species, largely occur by chance.