Answer:
a population or community.
Explanation:
It is c I believe cause the human cells can’t make their own food like plants do when they photosynthesis
In biochemistry, two biopolymers are antiparallel if<span> they run </span>parallel<span> to each other but with opposite alignments. An example is the two complementary strands of a </span>DNA<span>double helix, which run in opposite directions alongside each other.</span>
