Chapter 7.1-2
Living things in an environment
abiotic factors
An animal that hunts, kills, and eats other animals
Predator
The study of populations and how they change
Demography
An organism that makes its own food, such as photosynthesis
Producer or autotroph
A term which describes temporary conditions in the atomosphere lasting a few days
Weather
Nonliving things in an environment
Abiotic factors
An animal that is hunted, killed, and eaten by a predator
prey
A factor in an environment which restricts the abundance of the amount of individuals in a population
Limiting factor
An organism which gets its energy from consuming other organisms
Heterotroph or consumer
A term describing the long term average weather conditions that prevail/persist in a region
Climate
The study of how living things interact with each other and their environment
A relationship in which two or more organisms are after the same resource
competition
Name 5 potential limiting abiotic factors
Radiation, temperature, water, atmosphere, wind, soil, climate, topography, mineral content, fires, floods, earthquakes.
A heterotroph that breaks down dead organic matter and returns the nutrients back and minerals they contain to the soil.
Decomposer
What is the latitude of the equator
0 degrees
The maximum population that an environment can support
Carrying capacity
An organisms role in where it lives/its environment
Niche
How might biotic factors contribute to limiting a population's abundance?
Competition
A model used to study the many different feeding patterns between trophic levels
food chain/food web
The altitude above sea level
elevation
What are the five levels of organization in ecology?
Organism/individual - Population - Community - Ecosystem - Biosphere
What are the three traditionally recognized relationships of symbiosis in ecology?
Parasitism, Commensalism, Mutualism
What are the two methods used to count how many individuals are in a population?
Quadrat Method and Mark-Recapture Method
Give an example of a food chain with at least four different organisms
Producer - primary consumer - secondary consumer- tertiary consumer
Wings that blow from the 30 degrees latitude line to the 0 degree latitude line, but blow westward because of the rotation of the earth
Trade Winds or easterlies