Problem: - Centrioles separate to move to opposite poles - Metaphase, the chromosomes line up in the center - Anaphase, the chromatids separate - Are pulled apart - Telophase, the chromosomes gather at opposite poles - Two new nuclear membranes form - The cell membranes pinch - Divide into two individual cells - What might be the first step of the process?

A: Prophase, the chromosomes become visible

Problem: - The coal is transported either by train or truck to power station - The coal is burned in a furnace - Water is turned into steam in the boiler - The steam is cooled in cooling towers - The steam turns the turbines - The generator makes electricity - The electricity is sent through transformers. What might be the first step of the process?

A: Coal is harvested from a coal mine

Problem: - Food is squeezed down the esophagus when you swallow - Acid and enzyme in the stomach break the food down - Releases nutrients - Food then pumped into small intestine - Fluid and enzymes from liver and pancreas pumped into small intestine - Help break food into smallest molecules - Nutrients pass through wall of small intestine - Nutrients absorbed into blood stream - Unused materials passed into large intestine to become fecal matter. What might be the first step of the process?

A: An enzyme in saliva begins to break down carbohydrates

Problem: - Egg is produced after fertilziation - Mother sits on egg until it hatches - Bird Hatches - Grows up - Flee the next - Starts family - Dies. What might be the first step of the process?

A:
Two birds meet each other