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18 Cards in this Set
- Front
- Back
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Ecosystem |
An ecosystem is the result of the interactions between the abiotic and biotic factors in the environment. |
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Abiotic |
Abiotic (Non-living) Factors: physical and chemical components that effect the environment. e.g. Availability of water (rainfall), temperature, amount of sunlight. |
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Biotic |
Biotic (Living) Factors: All the living organisms. Their numbers, distribution and interactions. |
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Biome |
A group of ecosystems around the world with similar abiotic factors. e.g deserts around the world. |
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Terrestrial (Land) |
35% of the earth is covered by terrestrial environments. Main factors are the availability of water climate. Terrestrial Biomes: rainforest, deserts, grasslands and arctic tundra. |
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Aquatic (Marine/Freshwater) |
65% of the earth is covered by aquatic environments. Main factors: availability of dissolved oxygen, amount of sunlight. Biomes: open seas, estuaries rivers and ponds. |
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Viscosity |
How hard it is to move through gas/liquid. |
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Buoyancy |
Amount of support provided by fluid or gas. |
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Temperature Variation |
Temperature can range both daily and seasonal. |
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Pressure Variation |
How much pressure there is from either the air or water. |
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Availability of Gases |
Amount of oxygen (animals) and carbon dioxide (plants). |
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Availability of Water |
Amount of water and when the water falls. |
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Availability of Ions |
Amount of dissolved trace of nutrients are available. |
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Light Penetration |
The intensity of light at a particular point. |
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Availability of Substrate |
The composition and quality of the soil/sand/rock. |
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Strength of Natural Forces |
Including tides, currents and wind. |
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Availability of Shelter |
From sun and natural forces. |
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Availability of Space |
Plants and animals need territory to live and nest. |
