Algae and nitrogen-fixing bacteria are photosynthetic organisms.
<span>I believe you are looking for the term, Dichotomous Keying.</span>
Explanation:
The modern theory of chemical evolution is based on the assumption that on a primitive earth a mixture of simple chemicals assembled into more complex molecular systems, from which, eventually came the first functioning cell(s).
Answer:
Hypotonic
Explanation:
Tap water contains a lot of solutes and ions that are absent in distilled water. The solution that has more solutes (more dissolved solids) will be the <em>hypertonic</em> solution.
Here, distilled water has no solutes, making it <em>hypotonic</em>.
Answer:
a pigment metabolite from the destruction of hemoglobin
Explanation:
Bilirubin is a yellow pigment produced during the normal breakdown of hemoglobin as red blood cells die.
