One half of a duplicated chromosome is called a sister chromatid
Explanation:
The large fish will most likely eat most of the white fish, and there will only be gray fish left. Since the large fish can't see the gray fish well, they catch some but quickly starve because of the lack of white fish. In the end, only gray fish are left.
Answer:
Due to structure of engine.
Explanation:
Cars and trucks today powered by petroleum products because of their engine which only works when the petroleum products are used. When the petroleum products are burn in the engine, it produces small blasts which moves the piston and as a result the wheels of the car also start movement. Petroleum products are economically cheap due to its higher availability on the earth, easily available to the people, can be easily transported are the factors that make us use of petroleum products.