Answer:
Consumer and producer
Explanation:
Algae is a producer, making its own food with the sun. The fish is a consumer, consuming the algae for food.
Vaccines introduce small amounts of dead viruses or harmful cells into the body in order to teach the body how to effectively fight said virus/cell
The hiker followed the north trail a distance of two kilometers in thirty minutes.
<span>Think of each amino acid like a different letter, there are only 26 letters but yet millions of words, it works the same sort of way. </span>