Ecology Quiz 1
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36 terms
Terms | Definitions |
|---|---|
 Field studies and laboratory studies are mutually exclusive. | False |
| Broadest (most inclusive) of the levels of ecological organization. | Biosphere |
| Margaret Davis' studies on lake pollen sediments indicate that the forests of eastern North America did not change with the changing climate. | False |
| What do ecologists study? | Communities, Ecosystems, Individual Organisms, Populations |
| The mass of the epiphyte mats of the Olympic Peninsula temperate rain forests are _______the mass of leaves on their host trees | Four times |
| Research by Nalini Nadkarni demonstrated that the high productivity of the rain forest is a result of extremely fertile soils. | False |
| What are raw materials that an organism must acquire from the environment to live called? | Nutrients |
| What is an ecosystem defined as? | all of the organisms that live in an area and the physical environment with which they interact. |
| What is ecology? | the study of relationships between organisms and the environment |
| Temperate and tropical rain forest trees extract nutrients from epiphytic mats. | True |
| What do ecologists study? | rates of reproduction, rates of decomposition, soil chemistry |
| Nalini Nadkarni's study of tropical and temperate rain forests determined that | epiphyte mats contain a significant source of nutrients |
| The scientific method deals with absolute truths. | False |
| Norris and colleagues found that warblers using different habitats did not have different carbon isotopes in the tissues. | False |
| What don't population ecologists study? | Energy flow |
| Which of the following physical conditions describe the 0 to 15 m zone of a forest canopy? | Reduced temperature variation |
| Global ecology is the highest level of ecological organization and focuses on | the biosphere |
| The principal threats to the environment and biodiversity are: | Habitat loss, degradation and fragmentation, over exploitation of species, invasive species, pollution, global climate change |
| Which of the following statements gives the best interpretation of future world population growth trends: | Growth rates are declining globally but total population will continue to increase, eventually leveling off at about 9 billion by 2150 |
| The only regions in which demand for resources does not currently exceed biocapacity are: | Europe Non-EU, Latin America and the Caribbean, and Africa |
| IPCC 2007 projections for global temperate increases from the 1980s to the end of this century range from averages of _________ to _________. | 1.8 degree C - 4.0 deg C |
| Margaret Davis found ______ pollen in the deepest layers of sediment from an Appalachian Mountain lake. | Spruce |
| Ecology can be defined as the study of the impact of human activity on the environment. | False |
| Ecotones are transitions between one ecosystem and another ecosystem | True |
| Ecology is a modern science of which ancient man had no knowledge. | False |
| Physiological ecologists study | physiological and anatomical mechanisms by which organisms deal with variation in their physical and chemical environment. |
| Which of the following deal with multispecies systems? | Communities and Ecosystems |
| Aerial plants obtaining nutrient from trapped organic matter. | Epiphytes |
| What does the scientific method include? | observations, experiments, and modeling, posing questions and formulating testable hypotheses, and statistical analysis. |
| Which of the following levels of organization is/are correctly ordered? | individuals, population, interactions, community, ecosystem |
| An association of interacting species is a(n) ___________. | Community |
| As of 2007, the global ecological deficit or overshoot of demand vs. biocapacity was equivalent to | 0.5 Earths |
| According to Margaret Davis who studied pollen contained within lake sediments the vegetation landscape of the Avalanche Mountains from 12,000 years ago until approximately 100 years ago changed as follows: | Spruce, beech, chestnut |
| Ecologists study forest canopies using what? | Cranes |
| Stable isotype analysis uses variation and element masses to better understand ecological pheneomena | True |
| The principle threat to the environment in biodiversity are: | Pollution, Global Climate Change, ++++ALL |
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