Answer: false
Explanation:
invertebrates and vertebrates are two classes of animal.
Answer:
The precise definition of pH is "the negative common logarithm of the activity of hydrogen ion in solution". For practical purposes, the activity is approximated as concentration in moles/L: pH = - log 10 ([H+]) .
Explanation:
A single-celled prokaryotic organism that is generally free-living and of few micrometers in length is bacteria. They are very small in size that cannot be seen without a microscope.
bacteria will be present in 100 milliliters of water.
<h3>How to calculate the number of bacteria?</h3>
Given,
- 1 milliliter = 1,500,000 bacteria
- 100 milliliter = ?
Therefore, option E is correct.
Learn more about bacteria here:
brainly.com/question/2490932
Explanation:
They are helpful in mate selection rather than being mostly beneficial to survival
