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Sci Ch3 L2
Terms in this set (12)
Any resource that restricts the growth of populations
The greatest number of individuals within a population that an ecosystem can support
The physical place where an organism lives and hunts for food
The special role that an organism plays in a community
A relationship between two or more kinds of organisms that lasts over time
A symbiotic relationship that benefits both organisms
A symbiotic relationship where one organism benefits without harming the other
A symbiotic relationship where one organism benefits and the other is harmed
Why do organisms compete?
They are fighting for limited resources
What is an example of biotic limiting factors?
The amount of available food
What is an example of abiotic limiting factors?
Water,temperature, weather, soil type, space to grow, shelter, sunlight
How do organisms avoid competition?
They have different habitats and different niches.
Boserup on Malthusian theory (& classical economists)
Phytoplankton is a collection of photosynthetic organisms that act as producers, the foundation of aquatic food chains. Name one type of protist that is an important component of phytoplankton.
Which biome has an annual precipitation if less than 25 centimeters, organisms that can tolerate extreme conditions, soil that is rich in minerals but poor in organic materials , and it's dominant plant life are cacti and other succulents?
When walking in a tropical forest you come upon a 5-foot-tall plant that does not produce flowers or seeds. In which of these groups does the plant belong?
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