Environmental Science
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Exponential Growth | J-shaped curve; growth rate is a characteristic of many species that grows rapidly.
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| Carrying Capacity | Maximum population size that the environment can support w/o depleting resources.
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| R-Selected | Rapid population growth
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| K-Selected | Species that reproduces slowly, where a resource is constant but available in limited quantities.
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| Founder Effect | Genetic drift due to a few individuals starting a new population of the same species.
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| Bottleneck Effect | Genetic drift due to a massive population loss.
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| Can organisms exceed their carrying capacity? | Yes, but they may experience shortages of food or their resources leading to a population crash.
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| J and S curve | 1.Logistic growth curve; changing number over time because of the populations density.
2. Exponential growth curve; leads to population crash.
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| r=B+I-D-E | rate= Births+Immigration-Deaths-Emigration
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| Interspecific | Interactions between different species.
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| How can predation be positive for population size? | Rise in resources because of reduction in population.
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| Options to control invasive species | 1. Hunt them to reduce population
2.Limit food sources
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| How can predation be negative for population size? | Predation can limit the population growth
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| Intraspecific | Interactions between the same species.
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Created by:
NaudJ
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