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Flashcards by Mckenzie Erickson, updated more than 1 year ago
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Created by a deleted user
about 8 years ago
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Copied by Mckenzie Erickson
almost 8 years ago
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| Question | Answer |
| How can species live in the same habitats and not compete? | They each have different niches in the habitat. |
| Symbiosis were one species benefits and the other is not affected. | Commensalism |
| Symbiosis were one species benefits and the other is also benefited. | Mutualism |
| Symbiosis were one species benefits and the other is harmed. | Parasitism |
| series of more-or-less predictable changes that occur in a community over time | Ecological succession |
| Succession that begins in an area with no remnants of an older community | Primary Succession STUDY THE STEPS IN YOUR NOTES |
| The first species to colonize barren areas Ecological pioneer that grows on bare rock | Pioneer species |
| Type of succession that begins with an existing environment that was destroyed. | Secondary succession |
| The stable end point at the end of succession. | Climax community |
| Day to day atmospheric conditions. | Weather |
| Long term weather conditions in an area. | Climate |
| Organisms both trying to use the same resources will result in this. | Competition |
| Organisms that cannot produce their own food. | Consumers |
| Organisms that make their own food. | Producers |
| Number of males and females of each age in a population. | Age structure |
| Factors that affect populations depending on their size. | Density-dependent factors |
| Factors that affect populations regardless of their size. | Density-independent factors |
| Study of human populations. | Demography |
| Stages of demographic transition | STUDY YOUR NOTES |
| Number of organisms per area | Population density |
| Types of Consumers | STUDY YOUR NOTES |
| something that controls the growth of a population and determines the carrying capacity of an environment for a species | Limiting factors Study the types in your notes |
| What is a niche? | the range of conditions in which a species lives and the way the species obtains what it needs to survive and reproduce |
| Direct competition between different species generally produces a winner and a loser | Competitive Exclusion Principle |
| What three factors affect a population size? | Number of births Number of deaths Number of individuals that enter or leave the population |
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