Ecology Science- Capter 5
Terms
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- The role of an organism in its ecosystem is called its _____.
- Niche
- The extinction of a population that failed to compete successfully for a limited food source is called _____.
- Competitive exclusion
- A(n)_____ is an organism that maintains high biodiversity in its habitat by limiting the populations of its prey.
- Keystone Predator
- The process of change in a population of organisms over time is called _____.
- Evolution
- Different species that have adapted similarly in similar niches are examples of _____.
- Convergent Evolution
- Two species that interact closely with each other change in ways that are to their mutual benefit through the process of _____.
- Coevolution
- The increase in an organism's population when conditions and resources are not limiting follows a pattern of _____.
- Exponential Growth
- When a population reaches its _____, population size levels off.
- Carrying Capacity
- The larger a population becomes, the more its rate of growth is affected by ______.
- density-dependent limiting factors
- Regardless of population size, _____ curb population growth.
- Density-independent limiting factors