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Definition
| An intellectual activity, encompassing observation, description, experimentation, and explanation of natural phenomena |
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Term
| Features Common to All Living Things |
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Definition
1. DNA
2. Order: Exhibit complex organization
3. Regulation: Maintain a constant internal environment
4. Growth and development
5. Energy processing
6. Respond to environment
7. Reproduce
8. Evolutionary adaptation |
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Definition
| Based on experience and observations that are rational, testable, and repeatable |
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Term
| Steps of the Scientific Method |
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Definition
1. Observe a phenomenon/curiosity
2. Propose an explanation for it - hypothesis
3. Test the proposed explanation through a series of experiments
4. Report results |
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Definition
| Background research of what you're observing/studying; helps you design your experiment |
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Definition
| A proven hypothesis; Largely supported |
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Definition
| Any experimental condition applied to individuals |
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Definition
| A group of individuals who are exposed to a particular treatment |
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Definition
| A group of individuals who are treated identically to the experimental group with the one exception they are not exposed to the treatment (no drugs) |
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Definition
| Characteristics of your experimental system that are subject to change |
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Definition
1. Sample size
2. Treatment/experimental group
3. Control group
4. Data collection
5. Replicated - repetition |
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Definition
| The phenomenon is which people respond favorably to any treatment |
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Definition
| Compare the variable to an untreated sample |
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Definition
| Compare the variable to a known/expected outcome |
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Term
| Blind Experimental Design |
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Definition
| The experimental subject do not know which treatment (if any) they are receiving |
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Term
| Double-blind Experimental Design |
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Definition
| Neither the experimental subjects not the experimenter knows which treatment the subject was receiving |
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Term
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Definition
| The subjects are randomly assigned into experimental and control groups |
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Term
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Definition
| If one variable increases so does the other; if one decreases so does the other |
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Definition
| When one variable increases, the other decreases, and vice versa |
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Definition
| The study of interactions between organisms and their environments |
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Definition
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Definition
| Groups of the same species habitat |
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Definition
| Populations of different species that interact with each other |
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Definition
| All living organisms as well as non-living elements |
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Definition
| The study of how populations interact with their environments; Examined features that cannot be studied on an individuals organism |
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Definition
| Keep growing for a long period of time |
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Term
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Definition
| Described population growth that is gradually reduced as the population nears the environment's carrying capacity |
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Term
| Maximum Sustainable Yield |
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Definition
| Half of the carrying capacity |
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Term
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Definition
| .25 - .05 = .20 individuals per person |
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Term
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Definition
| Too much food is available so there are too many of one species |
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Term
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Definition
| Some populations cycle between large and small |
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Term
| Biotic Factors (Limit pop. size) |
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Definition
| Crowding, competition, infection diseases, predation |
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Term
| Abiotic Factors (Limit pop. size) |
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Definition
| Severe weather, natural disasters, toxic wastes |
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Definition
| The interactions between species in communities on many spatial and temporal scales |
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Definition
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Definition
| Number of individuals in a particular area |
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Definition
| How the population is distributed in a particular area |
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Definition
| People crowing where resources are present |
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Definition
| Even spacing - usually for animals |
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Definition
| People are wherever, it's very unnatural - resources are available throughout |
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Term
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Definition
| High proportion of young people |
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Term
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Definition
| Increase in economic growth because of an increase in working age population (15-64) |
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Term
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Definition
| Measured in terms of global hectares - energy needs, housing needs, building needs, food needs, clothing needs |
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Definition
| All the different species living in a specific area |
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Definition
| The full range of environmental conditions under which a species can live (all resources available) |
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Definition
| Where and how a species is actually living (what is used) |
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Definition
| When species niches overlap |
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Definition
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Definition
| Individuals of different species compete for same resources |
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Definition
| Natural selection reduces the competition between two species by producing an evolutionary divergence in one or both species |
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Definition
| One of the most important forces shaping the composition and abundance of species in a community |
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Definition
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Definition
| Make a chemical compound that is toxic to the predator |
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Definition
| Predators know to stay away from the color |
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Definition
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Definition
| Include passive and active behaviors; Hiding or escaping, or alarm calling or fighting back |
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Definition
| Reciprocal adaptation in two species |
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Term
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Definition
| Parasites that live on their host |
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Term
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Definition
| Parasites that live inside their host |
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Definition
| Different levels of the food chain |
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Term
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Definition
| Help maintain community diversity by limiting competition |
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Term
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Definition
| One species living in or on another for a long period of time |
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Definition
| Both species benefit from the interaction |
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Term
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Definition
| One species benefits with no apparent effect on the other |
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Definition
| One species benefits and the other is harmed |
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Term
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Definition
| Plants growing on the outside of trees |
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Term
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Definition
| The change in the species composition of a community over time, following a disturbance |
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Definition
| Area with no soil and no life (fungi, bacteria, lichens) - Colonizing Community |
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Definition
| Soil and some life (mosses) - Intermediate Community |
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Definition
| A community of biological organisms plus the non-living components with which the organisms interact |
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Definition
| Large ecosystem, determined by temperature and rainfall |
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Term
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Definition
| Plants convert light energy into food through photosynthesis |
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Term
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Definition
| Herbivores are animals the eat plants |
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Term
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Definition
| Carnivores eat herbivores |
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Definition
| Top carnivores eat other carnivores |
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Definition
| Bacteria and fungi (microorganisms) |
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Term
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Definition
| Dung beetles, birds of pray (scavengers) |
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Term
| Food that doesn't stay with the diner |
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Definition
17% growth and new cells
33% metabolism
50% feces |
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Term
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Definition
| The most important reservoir in the atmosphere; The basis for all the organic molecules |
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Term
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Definition
| The most important reservoir is the atmosphere; Nitrogen is necessary to build amino acids, the components of proteins |
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Term
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Definition
| For phosphorus, the most important reservoir is in the soil; Phosphate is used to produce ATP (energy) and build DNA |
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Term
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Definition
| The increase in nutrients in an ecosystem (nitrogen and phosphorus) leads to growth of algae and bacteria which consume much of the oxygen, leading to large die-offs of animal life |
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Term
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Definition
| Different genes present in the species |
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Term
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Definition
| We can try to mimic the natural world |
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Term
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Definition
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Definition
| Multidisciplinary science that addresses how to preserve the natural resources of earth and protect biodiversity |
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Term
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Definition
| Saving plants, animals and the natural earth |
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Term
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Definition
| Using enough for now and leaving the rest for future generations |
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Term
| IPM (Integrates Pest Management) |
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Definition
| Uses a combination of biological, cultural and chemical methods to control pests |
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