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66 Cards in this Set
- Front
- Back
Habitat |
Where organisms Live |
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3 spheres |
Lithosphere, atmosphere and hydrosphere |
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Atmosphere |
Layer of gas surrounding the Earth |
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Lithosphere |
Solid outer layer |
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Hydrosphere |
All earth's water in solid, gas, and liquid form |
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Biosphere |
Space on earth where life can exist |
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Ecosystem |
All living and nonliving things in an area |
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Biotic factor |
Living things, and their remains and waste |
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Population |
Members of the same species living in the same ecosystem |
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Community |
Populations of different organisms in an area |
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Sustainable |
Ecosystem maintained naturally |
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Radiant energy |
Energy that travels through empty space |
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Light energy |
Visible form of radiant energy |
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Thermal energy |
Energy transferred during heating or cooling |
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Autotrophs |
Base of the food chain+ produce own food |
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Heterotrophs |
Do not produce own food+ eat autotrophs |
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Producers |
Get energy from photosynthesis |
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Consumers |
Get energy from eating other organisms |
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Photosynthesis |
Converts light energy into chemical energy. Formula: Co2 + H2o + light energy ----> sugar + O2 |
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Cellular respiration |
Provide energy to cell for life functions. Formula: sugar + o2---->Co2+H2o+energy |
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Food chain |
Describes energy flow when travelling through an ecosystem |
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5 types of consumers |
Herbivores, carnivores, omnivores, scavenger, decomposer |
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Herbivore |
Eats only plants |
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Carnivore |
Eats only animals |
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Omnivore |
Eats both plants and animals |
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Scavenger |
Feeds on dead organisms |
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Decomposer |
Feeds on decaying organisms |
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Foodweb |
Series of interconnecting food chains |
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Top carnivore |
Top species in food web |
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Biogeochemical |
Movement of matter through biotic and abiotic enviroments |
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Biogeochemical cycles |
Carbon, water, nitrogen |
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Carbon is cycled through |
Photosynthesis and cellular respiration |
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Carbon sink |
Carbon deposits that carbon can enter or leave them after a relatively short time |
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Impacts on water cycle |
Global warming and damps |
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Carbon cycle impacts |
Burning fossil fuels |
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Nitrogen cycle impacts |
Cutting down trees |
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Limiting factors |
Factors that restrict the size of a population or where it can live |
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Biotic limiting factors |
Competition Predation Availability of food |
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Abiotic limiting factors |
Light, water, space, temperature, acidity, salinity |
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Tolerance range |
Range of abiotic conditions within which a species can survive |
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Aquatic abiotic factors |
Light, depth, temperature, water, salinity, acidity, sand |
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Terrestrial abiotic factors |
Light, temperature, soil, rocks, sand |
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Carrying capacity |
The maximum size of a population that can live using the resources available |
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Biome |
Large areas on earth with similar conditions |
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5 types of biomes in Canada |
Tundra Borealis forest Mountain forest Temperate deciduous forest Grassland |
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2 types of aquatic ecosystems |
Marine and freshwater |
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Equilibrium |
Stable ecosystem conditions over a period of time |
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Biodiversity |
The variety of life in the world or in a particular habitat or ecosystem |
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Loss of biodiversity |
Pollution Habitat change Overexploitation Climate change Exotic species |
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Risk categories |
Special concerns Threatened Endangered Extirpated |
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Habitat loss |
The conversion of a large area into a farmland or urban development |
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Habitat fragmentation |
The dividing up of a region into smaller parcels or fragmentation |
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5 ways of making a habitat fragment more sustainable |
Size Number Proximity Connectedness Integrity |
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Invasive species |
A nonnative species that impacts the natural environment |
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4 ways an invasive species have an impact on human ecosystems |
Ecological Economical Tourism. Health |
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3 controls for invasive species |
Chemical Mechanical Biological |
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Pollution |
Harmfully contaminants released into the environment |
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Acid rain |
Rain that is made more acidic than usual |
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4 ways for cleaning oil spills |
Skimming/vaccuming Bioremediation Burning Dispersal agents |
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Stewardship |
Taking responsibility for managing and protecting the environment |
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Pests |
Organisms that might compete with or damage crop species |
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Pesticide |
A substance used to kill pests (herbicides, insecticides, fungicides) |
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Non-target species |
Pesticides that kill species that were not intended to kill |
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Organic farming |
A form of agriculture that relies on non-synthetic pesticides and fertilizers |
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Bioaccumulation |
The concentration of a substance such as a pesticide, in the body of an organism |
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Bioamplification |
The increase in concentration of a substance, such as a pesticide, as it moves higher up the food web |