Answer:
The different species!
Explanation:
Biotic factors include animals, species, and etc!
Calm waters <span>theory of organizational change</span>
The right answer is The first image (the left one).
An atrium is an upper cavity of the heart, delimited by a thin wall, receiving blood from the bloodstream. There are two in the human heart, they allow the passage of blood from the veins (cellars and lungs) to the ventricles (right and left).
In its upper part (near the entrance of the superior vena cava) is located the sinus node, microscopic structure from which the electrical impulse which ensures the contraction of the heart (especially atrium) ...
The depolarization of the action potential is conducted step by step in the cells of the right and left atria, accompanied by a contraction of the muscle fibers.
Chloroplast is responsible for using light energy to produce sugar. It is located at the top of the leaf because that's where it will absorb the most light while it's still being protected from damage by the cuticle and the epidermis
Hey friend!
You stuck?
The organelle that sends out microtubules that connect to DNA during Metaphase are called centrioles. The connect to the DNA during metaphase, during that process they determine the position of the nucleus.
Hope this helps! :)
