The rock cycle is a basic concept in geology that describes the time-consuming transitions through geologic time among the three main rock types: sedimentary, metamorphic, and igneous. Each of the types of rocks is altered or destroyed when it is forced out of its equilibrium conditions.
Answer:
Lining up of chromosomes in the cell
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Explanation:
Prophase begins with the Thickening of chromosome. Chromosomes are clearly visible inside the nucleus. each chromosome splits longitudinally to form two chromatids.
The centriole in the centrosome of animal cell divides into two. The centrosphere set the centrioles free. Centrioles develop very fine eye-lash like thread called aster rays. the two asters start moving towards the opposite poles. By the end of prophase they reach at the opposite poles.
Answer:
Zebroids are created by crossing zebra and any breed of equine. The main purpose of creating them is to develop a species that is resistant to diseases such as sleeping sickness and tztze, which are most common in both zebra and equines. Further, they carry genetic traits from both parents and are hostile in terms of benefits such as can run fast like horses and carry huge weight on their back easily. They have been extensively produced in African and Asian countries.
B. the contraction and relaxation of the brain
The answer is A as they both share the same cells