Chapter 1 Flashcards
What is a biome?
a large region with biotic and abiotic factors
What are the 8 earth biomes?
tundra temperate deciduous forest temperate rain forest tropical rain forest boreal forest grassland desert permanent ice
What are the 2 main abiotic factors?
temperature and precipitation
What are 4 factors that influence temperature and precipitation?
land
elevation
wind
ocean currents
What are climatographs?
graphs of climate data for a specific region over a period of time
What is climate?
average pattern of weather conditions over a period of years
What are adaptions?
characteristics that allow organisms to better survive and reproduce
What are the 3 types of adaptions?
structural
physiological
behavioral
What is structural adaption?
a physical feature of an organism’s body with a specific function for survival
[ex. porcupine spines]
What is physiological adaption?
a physical or chemical event that happens within an organism’s body to allow it to survive
[ex. wolves keep a constant body heat all year round]
What is behavioral adaption?
what an organism does to survive in it’s environment
[ex. owls put cow dung at it’s home entrance]
What is an ecosystem?
a part of a biome where abiotic and biotic components interact
What is habitat?
a place where an organism lives in an ecosystem
What is a niche?
a special role that every organism plays
What is a species?
a group related organisms that can reproduce with one another