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Definition
| In the past 2 million years, the size of the human brain has ___. |
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- climate change
- ecological demands, and
- social competition |
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Definition
| What three hypothesis for brain growth did the University of Missouri researchers study? |
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| researchers found that ___ is the major cause of increased cranial capacity. |
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| ___ had the biggest effect on skull size and thus cranial capacity. |
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| ___ is the scientific study of the interactions between organisms and the environment. |
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| distribution and abundance |
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Definition
| Interactions between organisms and their environment determine organims' ___ and ___. |
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| ___ has a long history as a descriptive science |
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| Ecology has a long history as a descriptive science. We call this ___. |
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Definition
| The star orchid and Darwin's hawk moth are called ___. |
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| Ecology is also a rigorous ___ science. |
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| Events that occur in ___ ultimately affect life on the longer scale of evolutionary time. |
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| Events that occur in ecological time ultimately affect life on the longer scale of ___. |
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| the environment includes ___, or nonliving components and ___, or living components. |
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| The ___ area ll the organisms living in the environment, including the fauna and the flora |
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| ___ affect the distribution and abundance of organisms |
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| observations and experiments |
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Definition
| Ecologists use ___ and ___ to test explanations for species distribution |
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| studies how an orgnaism's physiology and behavior meet the challenges of their environment |
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| What type of ecology does this question belong to? How do humpback whales select their calving areas? |
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| ___ studies factors that affect how many individuals live in an area |
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Definition
| What type of ecology does this question belong to? What enviornmental factors affect the reproductive rate of deer mice? |
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| ___ examines the whole array of interacting species in a community. |
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| What type of ecology does this question belong to? What factors influence the diversity of species in a forest? |
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| ___ studies energy flow and chemical cycling among the system's biotic and abiotic components. |
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Definition
| ___ studies energy flow and chemical cycling among the system's biotic and abiotic components. |
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| What type of ecology does this question belong to? What factors control photosynthetic productivity in a temperate grassland? |
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| ___ examines combinations of ecosystems |
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| What type of ecology does this question belong to? To what extent do the trees lining these ditches serve as dispersal corridors for forest animals? |
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Definition
| the ___ is the global ecosystem |
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Definition
| ___ is the part of Earth where life is possible |
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| the ___ extends from the ocean floor to the tops of the highest mountains (about 12 miles) |
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| ___ also provides the scientific understanding behind environmental issues. |
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| Rachel Carson; Silent Spring |
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| ___ is credited with starting the modern environmental movement with her book, "___" |
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| most ecologists follow the ___ regarding the environment. |
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| The ___ states that where science discovers a plausible risk of harm there is a responsibility to protect the public. thus, humans have to be concerned with how their actions affect he environment. |
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| In the ___ the precautionary principle is a compulsory principle of law. ignoring plausible risk makes you legally liable. |
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| ___ is the science of understanding the geographic distribution of speceis. |
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| ___ identified broad patterns of distribution by naming biogeographic realms |
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Definition
| ___ is the movement of individuals away from centers of high population density |
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| ___ helps determine the distribution of organisms |
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Definition
| natural range expansions illustrate ____. |
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Definition
| ___ are organisms that are intentionally or accidentally relocated from their original distribution |
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Definition
| ___ can disrupt communites |
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- interactions with other species
- predation
- competition |
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Definition
| factors that affect distribution may include: |
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| ___ tested the effects of sea urchins and limpets on algae |
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