Arachnids are spiders,
spiders have 8 legs,
a pair is 2,
so, arachnids have 4 pairs of legs.
The DNA is a double-stranded molecule that has a long chain of nucleotides. The RNA is a single-stranded molecule which has a shorter chain of nucleotides. DNA replicates on its own, it is self-replicating. RNA does not replicate on its own.
Answer:
1.true
2.true
3.False.
Explanation:
for the third guess it should be cell division
