Answer:
Chromosomes condense before mitosis to allow them the ability to move smoothly, without becoming entangled and breaking. (So, they are conveniently packaged for cell division, in which the chromosomes must move to both poles of the cell.)
Explanation:Otherwise it would be a mess as they get tightly packed
Answer:
because the sperm fertilizes the egg and creates the zygote thing
The tetrapod-like characteristics are;
a neck, flat head with eyes on top and interlocking ribs.
Tiktaalik is a large fresh water fish that has both fishlike and tetrapod-like characteristics. Tetrapods are four-legged vertebrates such as amphibians, reptiles. Tiktaalik has scales and gills like fishes but it also possesses unusual fins, a neck, interlocking ribs and flattened head with eyes on top (similar to the head of a crocodile).