At what time of the day is the pond most acidic?
At night, aquatic plants and algae respire, giving off CO2 and lowering pH (more acidic).
Therefore, pH tends to be highest in late afternoon and lowest before sunrise.
The pH of a well buffered pond may fluctuate between 7.0 and 8.4 (Figure 3)..
Do ecologists ever study individual organisms?
Ecological studies may examine individual organisms, single species populations, multiple species communities, eecosystems, or the Earth as a whole..
What is a trace element biology quizlet?
trace elements. elements that required by an organism in only minute quantities. atom. the smallest unit of matter..
What is an element in biology quizlet?
Element.
A substance that cannot be broken down to other substances by chemical reactions..
What is biology best described as quizlet?
Biology is the scientific study of life.
Properties of life include order, reproduction, growth and development, energy processing, regulation, response to the environment, and evolutionary adaptation..
Which concentration of catalase will produce the fastest?
Which concentration of catalase had the fastest reaction time, the slowest reaction time? The concentration of catalase that had the fastest reaction time was the 75% catalase concentration, while the slowest reaction time was the 0% catalase concentration..
Which of the following statements best describes biology quizlet?
All living organisms are composed of basic units called cells.
What statement best describes "biology"? The science of life..
- During the process of transcription, the information stored in a gene's DNA is passed to a similar molecule called RNA (ribonucleic acid) in the cell nucleus.
- trace elements. elements that required by an organism in only minute quantities. atom. the smallest unit of matter.
- Water is required for chemical reactions to take place within cells.
Nutrients dissolve in water to create solutions; the body can only utilize nutrients that are incorporated into solutions.
In addition, water surrounds cells and is an important component in blood.
