<span>primase produces RNA molecules, the enzyme is a type of RNA polymerase. Primase functions by synthesizing short RNA sequences that are complementary to a single-stranded piece of DNA, which serves as its template.</span>
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The idea behind an available niche after extinction leading to speciation is: the fact that those species can grow distinct and then in other to survive develop new traits.
<h3>Meaning of speciation</h3>
Speciation can be defined as a process that births new species with different traits while they evolve.
Speciation occurs when extinction is eminent and most time in other to preserve that race they evolve into something new with new traits.
In conclusion, The idea behind an available niche after extinction leading to speciation is: the fact that those species can grow distinct and then in other to survive develop new traits.
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Answer: circulatory system
Explanation:
The digestive system operates very closely with the circulatory system for delivery of the ingested nutrients through the body. The circulatory system carries also chemical signals from the endocrine system that regulate digestion speed.
The circulatory system works closely with skeletal muscle as well to provide efficient oxygen and nutrient transfer necessary for contraction and inhibitory waste products removal.
Hence, the correct option is circulatory system.
