Answer:
d. all of the above
Explanation:
In this frame of reference, carrying capacity refers to how big a specific species can get before survival becomes difficult due to a lack of resources. That being said the carrying capacity in any environment depends on having sufficient food and shelter for the current species population and the amount of predators in the area. This last one greatly affects the carrying capacity as the more predators present means the less of the targeted species will survive.
When Sarah performed this experiment, she changed the levels of nitrogen in order to observe the changes in the morphological features of the plant.
All of the characteristics of the plant that she observed were dependent on multiple different things, but the level of nitrogen was an independent variable that she was changing at her will.
Answer: The correct answer is A: Changing the relative evaluation of attributes associating the product with a special group, event or cause.
Explanation:
The company here associates its product (Diet coke) with an event or cause called the American Heart Association.
<u>This association will move people that want to adopt healthy habits such as Tom wanting to cut the carbohydrates out of his diet, to buy their products because the evaluation of the attributes of the product changed.</u>
In conclusion, the strategy that the company used is: A, Changing the relative evaluation of attributes associating the product with a special group, event or cause.
Answer: alternative C
Explanation: Aerobic bacteria are oxygen dependant, and because of that they gather in blue and red areas since those are the <u>light spectra in which algae photosynthethises</u> the most. The <u>photosynthesis product is oxygen</u>, being this the reason why blue and red areas attract aerobic bacteria.