Phytoplankton
They are the only one that are both animals and protists as they can be either
The terms given are match of the followings such as acid is matched with option C, base is match of option D, pH is match of option A and litmus paper is match of option B.
<h3>Briefing :</h3>
Acid is a compound that increases hydroxide ions (OH−) when it is dissolved in a solution.
Base is a compound that increases hydrogen ions (H+) when it is dissolved in a solution.
pH is a value from 0 to 14 that is used to specify how acidic or basic a compound is when it is dissolved in water.
Litmus paper is used to measure the pH of substances by determining their hydrogen ion concentration.
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I understand the question you are looking for :
Match the term with its description.
Acid
Base
pH
Litmus paper
Definition
A) A value from 0 to 14 that is used to specify how acidic or basic a compound is when it is dissolved in water
B) Used to measure the pH of substances by determining their hydrogen ion concentration
C) A compound that increases hydroxide ions (OH−) when it is dissolved in a solution
D) A compound that increases hydrogen ions (H+) when it is dissolved in a solution
Speciation<span> is the term used to describe the formation of a new </span>species<span> due to </span>natural selection<span>.</span>
Development.
Nitrogen and Phosphorus are essential to the survival of an ecosystem.
An autotroph is an organism that makes food for itself like plants