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18 Fall - Ecology
Ecology
Question | Answer |
---|---|
What are the 5 abiotic factors? | Water, Sunlight, Oxygen, Temperature & Soil |
What are the 5 biotic factors? | Bacteria, Protists, Fungi, Plants & Animals |
What are the 5 levels that an organism’s environment can be divided into? | Organism, Population, Community, Ecosystem & Biosphere |
What are some examples of an organism's activities of life? | reproducing, growing & using energy |
What are some examples of organism's? | human being, cactus, bacteria |
What does an organism’s niche include? | Habitat, Food, Competition & Predation |
Within a population, what do organisms compete for? | food, living space & mates |
What are 3 limiting factors? | food and water, space & weather |
When a population grows larger than the carrying capacity, what do the limiting factors do to the population? | population will decrease |
What 4 factors will cause population changes? | birth rate (natality), death rate (mortality), immigration & emigration |
What do organisms in communities depend on one another for? | food & shelter |
What causes secondary succession? | Natural disasters (hurricanes, fires, tornadoes) |
What is an example of population? | all of the rabbits around VCMS or all of the pigeons in Atlanta |
How is space a limiting factor for organisms? | when too many organisms are in an area it results in more competition for food, water, and sunlight |
How long does it take to get from field to forest | 100+ years |
Does primary succession or secondary succession occur faster? | secondary succession |