Symbiotic??????? I'm not 100% sure but this is that I think the answer is
Fire algae are known as dinoflagellates because they have two flagella.
A flagellum (pl. flagella) is a whip-like structure that allows a cell to move.
<span>This process is called the mitotic spindle
which begins to develop during the prophase. The reason why chromosomes must
line up on the cell equator before cell division is “<span>to enable the microtubules to attach to the
kinetochores properly”. The microtubules then form the network that will
later pull the duplicated chromosomes separately.
Answer: </span></span>to enable the microtubules to attach to the kinetochores properly
Answer: a compound known as calcium carbonate (CaCO3)
Explanation: Google the question itself
