<span>I think you have repeated the same question
The intrinsic conduction system determines the basic rhythm of the beating heart. It consists of autorhythmic cardiac cells that initiate and distribute impulses (action potentials) throughout the heart which causes the heart to contract and expand which causes the beating or pumping of heart</span>
Answer:
The red light is more advantageous.
Explanation:
Predators that are producing red light have advantage because they can see their prey but their prey can't see them,since most of them see blue light.
Some also light up their red light to attract mates.
<u><em>Desert.</em></u>
<u><em>hope it helps!</em></u>
Answer:
They have no natural predators
Explanation:
:)
