Ecology
What are biotic factors
Biotic factors are the living parts of an ecosystem, such as plants and animals.
What is population density?
The number of individuals in a specific area.
When there is a moving into a population
Immigration
What is a limiting factor?
An environmental factor that prevents a population from increasing.
The smallest unit of ecological organization.
An organism is a single living thing.
What are abiotic factors
The nonliving parts of an ecosystem like sunlight, soil, and water.
What is an estimate?
An approximation of a number based on reasonable assumptions.
Emigration
Leaving a population.
What is carrying capactity?
The largest population that an environment can support.
All the members of one species in a particular area.
Population
What is a habitat?
The specific environment that provides the things an organism needs to live, grow, and reproduce.
What is birth rate?
The main way new individuals are added to a population.
What is global warming?
Global warming is the long-term rise in Earth's average temperature
Mention three specific examples of limiting factors.
Three specific examples of limiting factors are food, space, and weather.
All the different populations that live together in an area.
Community
What is photosynthesis?
The process by which plants and algae use water, sunlight, and carbon dioxide to make their own food.
What is mark-and-recapture?
A method where animals are caught, dyed or tagged, and then released to calculate population size.
The three main ways organisms move to new places
Wind, Water and Living things
A sudden severe event that can change population size, like a flood or hurricane.
Weather
A group of organisms that are physically similar and can reproduce with each other.
Species
What is ecology?
The study of living things interact with each other and with their environment.
If the birth rate is 1,400 and the death rate is 100, the population will do this.
Increase Population
What is an exotic species?
A species that is carried into a new location by people.
These three factors can specifically limit the dispersal of a species.
Physical barriers, competition, and climate
Name the levels of ecological organization from smallest to largest.
Organism, Population, Community, and Ecosytem