Chapter 1: Introduction To Ecology Flashcards
“Family household”
Ecology is derived from this word
Oikos
The study of relationship between organisms and their environment
Ecology
Change in allele frequency over time based on selective pressures
Evolution
What is the hierarchy of ecological systems?
Individual Population Community Ecosystem Landscape Biome Biosphere
Natural selection is based on:
- Genetic variation
- Traits are heritable
- Difference in survival and reproduction
- Beneficial traits are shown in future generations
A group of individuals of the same species that occupy a given area
Population
All populations of a different species living and interacting within an ecosystem
Community
An area of land or water composed of a patchwork of communities and ecosystems
Landscape
Broad scale regions dominated by similar types of ecosystems
Biomes
Highest level of organization of ecological systems
The thin layer surrounding the Earth that supports all of life
Biosphere
What is the scientific method?
Observations Question Hypothesis Predictions Hypothesis testing
Abstract, simplified representations of real systems
Models
Short term change in an individual
Acclimation
Change in persistence of a trait over time
Adaptation
How do ecologists deal with uncertainty?
Statistics
