The definition of speciation is the formation of new and distinct species in the course of evolution.
Answer:
The subphylum Chelicerata (New Latin, from French chélicère, from Greek χηλή, khēlē "claw, chela" and κέρας, kéras "horn")[1] constitutes one of the major subdivisions of the phylum Arthropoda. It contains the sea spiders, arachnids (including scorpions, spiders, and potentially horseshoe crabs[2]), and several extinct lineages, such as the eurypterids.
Each cell contians 23 pairs of chromosomes
QUESTION--> <span>The nucleolus is where _______ are constructed.
</span>ANSWER--> C) ribosomes