Flashcards
Global Env. Ch 1
Cards in this deck (53)
- 1What is the environment?everything
- 2What is interdisciplinary?Multiple fields of study
- 3give 3 examples of interdisciplinaryecology
economics
biology
math
physics
sociology
etc - 4what is the natural world?anything given
ex: sun - 5what is the social world?any manipulation of natural world
ex: house - 6what is sustainable development?benefits must be available to all humans
- 7ecologists view continual growth as impossible due to? (2 answers)1. nonrenewable resources
2. capacity of the atmosphere to absorb wastes - 8what are morals?right vs wrong
- 9what are values?$$$
- 10what is moral extension-ism?extending morals to others
- 11what is environmental justice?right to safe and healthy env.
- 12what is environmental racism?inequitable distribution of hazards based on race
- 13what is toxic colonialism?disposing wastes in poor countries
- 14what is a hypothesis?testable explanation
- 15what is scientific theory?explanation that has been supported by a large # of scientists
- 16what is a system?a network of components
- 17what is ecology?study of organisms + their env.
- 18matter is neither (blank) or (blank), it is only (blank)created
destroyed
recylced - 19what is the 1st thermodynamics law?energy is neither created nor destroyed
- 20what is the 2nd thermodynamics law?when energy is recycled less usable energy
is available - 21sun is used for what 2 things?warmth
photosynthesis - 22what is a species?similar organisms that can reproduce
- 23what is population?members of a species living in
an area - 24what is a biological community?all of the population living in an area
- 25what is a ecosystem?biology community + physical env.
- 26what is a food chain?linked feeding series
- 27what is a food web?interconnected food chains
- 28what is trophic level?feeding status
- 29list the food chain groups from largest to smallestproducers
primary
secondary
tertiary - 30describe the 4 groups of the food chainproducers- plants
primary- herbivores
secondary- carnivores
tertiary- secondary - 31what is the hydro-logic cycle?path of h20 through env.
- 32what is the carbon cycle?path of carbon through env.
- 33what is a carbon sink?something that removes carbon
- 34what is a carbon source?something that releases carbon
- 35what is adaptation?the acquisition of traits that allow a species to survive in its env.
- 36what is natural selection?the strongest species survive + reproduce
- 37what are tolerance limits?limits were a species can survive + reproduce
- 38what is an ecological niche?a role played by species in env.
- 39what is competitive exclusion? why does this happen?no 2 species can occupy same niche
due to limited resources - 40what is speciation?the development of a new species
- 41what is intraspecific competition?competition among members of same species
- 42what is interspecific competition?ompetition among members of different species
- 43what is mimicry?one species evolves to look like another species
- 44what is a keystone species?species that plays the biggest role in the env.
- 45what is abundance?total # of organisms in a community
- 46what is diversity?total # of different species in an area
- 47what happens to diversity and abundance when moving from the equator to the poles?diversity goes down
abundance goes up - 48what is secession?change in env. overtime
- 49what is primary secession?a community develops on a site previously unoccupied
- 50what is secondary secession?an existing community is disrupted + a new one forms
- 51what is a climax community?community that develops last and remains the longest
- 52Using a specific resource explain the difference between conservation + preservationregulations on crab fishing to keep population balanced.
red wood trees cannot be cut down. - 53explain why evolution plays a big role in the env.change in genes over time to reproduce
it keeps the population high
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- Flashcards on Global Env. Ch 1, created by Duston Ploch on 10/09/2015.
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- Duston Ploch
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