Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
17 Cards in this Set
- Front
- Back
|
What is the definition of Bioaccumulation? |
The tendency for pollutants to accumulate in organisms higher up in the food chain |
|
|
How does energy flow within food chains? |
Producers acquire energy from the sun through photosynthesis. Then the first order consumers eat the plants and only get 10% of that plants energy that it had. The second order consumer then eats the first order consumer and gets 10% of the energy that consumer had from eating the producers and so on |
|
|
What is the Definition of Abiotic? |
Non-Living Factors in an Environment |
|
|
What is the definition of biotic? |
Living factors in an environment |
|
|
What are some examples of abiotic factors? |
Temperature, Rainfall, Weather, Water level, pH levels, turbidity |
|
|
What are some examples of biotic factors? |
Animals, surrounding plants, types of organisms |
|
|
What are 2 sampling techniques? |
Quadrants and Transects |
|
|
What is a quadrant? |
A marked out square area used to record what's in its contents to accurately estimate percentage of vegetation and animals in the surrounding area |
|
|
What is a transect? |
A cross section that goes through an area where you record everything that is on that line, including; water level, meters above water, animals, ground type etc. |
|
|
What are producers? |
An organism that creates its own chemical energy |
|
|
What are consumers? |
An organism that gets energy by consuming other organisms |
|
|
What are decomposers? |
An organism that breaks down dead matter |
|
|
Which way does this arrow point in a food chain? |
In the direction the energy is flowing |
|
|
What is the difference between the greenhouse effect and the enhanced greenhouse effect? |
The greenhouse effect is natural and the enhanced greenhouse effect is due to increased carbon dioxide because of use of fossil fuels |
|
|
What are some causes for enhanced greenhouse effect? |
Deforestation and increased combustion of fossil fuels |
|
|
What are some human impacts on the environment? |
Deforestation, bioaccumulation, combustion of fossil fuels |
|
|
What is deforestation? |
Clearing trees, turning a forest into cleared land |
