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-Part of planet earth's outer shell
- including air, land, and water— within which biotic (life) processes occur
- All the living and nonliving things that interact in an area
- Example: Owls, prairie dogs bison, grass, dirt, climate
- A group of similar organisms whose members can produce other (fertile) offspring
- Examples: Golden Retrievers, tuna, oak trees
- All the different populations that live together in a area
- Example: Wolves, bison, elk, and rabbits
- Place where an organism lives (home) and that provides the things the the organism needs
- Obtains food, water and shelter
- An organism's particular role in an ecosystem or how it makes its living
Examples: teacher- teaches lion - carnivore vulture - scavenger
- Environmental factor that prevents a population from increasing
Examples: food, space, and weather conditions
- Number of individuals in a specific area
- Example: class room size of 32 students
What occurs when:
- Organisms that enter the population or leave the population
- Leading factors: Birth or immigration; death or migration
Changes in population size
- An adaptation that makes it a better predator
- Examples: Sharks powerful jaws, owls ability to hunt at night
- An adaptation that makes it harder to be a prey
Examples: Mimicry, camouflage, protective coverings
Example of Symbiosis (symbiotic relationship) involving Spanish Moss (flowering epiphyte) growing harmlessly on an Oak tree
Example of Symbiosis (symbiotic relationship) involving a Redbilled Oxypecker eating bugs off the back of a Rhinoceros
Example of Symbiosis (symbiotic relationship) involving a mutualistic relationship between fungus and Algae. Importantant in breaking down rock into soil
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