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Bio
Ecology Part 2
| Question | Answer |
|---|---|
| The study of interactions between organisms and their environment | Ecology |
| When energy decreases going up a food change, what happens to toxins? | They increase |
| What is the term for what happens with toxins as they move up a food chain? | Biological Magnification |
| What is the term for the population size that an environment can sustain? | Carrying capacity |
| The role a species plays in a community | Niche |
| Why do invasive species often grow exponentially in a non-native ecosystem | No predators |
| Name some density-dependent factors: | Food, shelter, water, mating sites |
| What is the term for when we over use a specie for economic purposes | Overexploitation |
| What strategist has slow growth, matures slowly, and reproduces later in life | k-strategist |
| What is the term for when a non-native specie is transported into a new habitat | introduced or invasive species |
| Name the 3 factors that we use to talk about populations? | size, density, and dispersion |
| What type of growth curve shows a population being limited by a density dependent factor | logistic growth curve |
| The general term for when one organism preys on another organism. | Predation |
| What is term for a group of the same species living in the same place | population |
| What are the three ways carbon can get back into the atmosphere? | Combustion, cellular respiration, decomposition |
| A biotic or abiotic factor that restricts the existence of an organism in a common environment | limiting factor |
| What 3 factors does a population pyramid show | age, gender, population size |
| What is the formula for growth rate | (birth+imm.) – (death+em.) |
| What is the term for when different species hang out in same area? | community |
| What are the 3 dispersion patterns | random, even, clumped |
| What type of growth curve has a steady increase in population numbers that grows unchecked | exponential growth |
| What strategist has exponential growth, mature rapidly, and reproduce early in life | r-strategist |
| Name density-independent factors: | weather and climate |
| What are the five phases of a basic population curve | Initial growth, exponential growth, steady state, decline, extinction |
| What is process when pollution combines with water vapor to form acid that comes down as precipitation. | acid rain |
Created by:
thompsondk
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