Answer: i think C
Explanation: The levels, from smallest to largest, are: molecule, cell, tissue, organ, organ system, organism, population, community, ecosystem, biosphere.
<em>hope this helps pls mark me brainliest</em>
A spider because they eat insects such as flies
Domain = {3,1,5}.
If we look at the relation we find that the first numbers are 3,1,1 and 5.
And we know that the first number of a relation is its domain.
