Evolution

population

A group of individuals that belong to the same species and live in the same area

variation

Any difference between individuals of the same species.

heritability

ability of a trait to be passed from one generation to the next

overproduction

organisms produce more offspring than can survive

differential reproductive success

the tendency of some individuals to reproduce more offspring than other individuals in a population

natural selection

A process in which individuals that have certain inherited traits tend to survive and reproduce at higher rates than other individuals because of those traits.

Theory of Evolution by Natural Selection

states that organisms that are better suited for their environments will survive and reproduce more successfully than those that are poorly suited for their environments

evolution

change in the genetic makeup of populations over time

scientific theory

well-tested explanation of some aspect of nature that is based on and unifies a vast range of observations and investigations

colloquial use of the word "theory

an idea, hunch, speculation.

Darwin's critical observations

Cape Verde and the Galapagos islands are geologically very similar. They are young, volcanic islands with a similar distance from a continent (mainland) and similar climates (rain, temperature), but the organisms that live in each location are more simila

Alfred Wallace

poor kid who developed the Theory of Evolution by Natural Selection at the same time as Darwin

antibiotic resistant

ability of microorganism to resist/survive despite exposure to antibiotics

susceptible

affected by (antibiotics. killed by antibiotics)

microbiome

all of the microorganisms that live in a particular environment, such as a human body

microorganism / microbe

microscopic organism (bacteria, fungi, protist)

opportunistic pathogen

a microorganism that does not ordinarily cause a disease but can become pathogenic under certain circumstances