Answer:
All cells arise from pre existing cells.
Explanation:
one of the principles on the cell theory states that all cells came from pre existing cells . The two cells are parent cells who are big enough to undergo mitosis. The 4 cells made out of this event are daughter cells .
Answer:
Pioneer species are hardy species which are the first to colonize previously biodiverse steady-state ecosystems. Some lichens grow on rocks without soil, so may be among the first form of life. The example includes bacteria, fungi, and lichens.
photochemical smog is also known as summer smog is the chemical reaction of sunlight. Volatile and nitrogen oxides compound in the atmosphere which then leaves airborne particles.
Answer:
Because the Southern Hemisphere has more ocean and much less land. As you may know water heats up and cools down more slowly than land.
