Seed plants became more versatile and able to live in various climates and areas which others could not, letting seed plants to reproduce much more rapidly
In exothermic reactions, the products have higher energy than the reactants, and in endothermic reactions, the reactants have higher energy than the products.
The cell wall gives strength to a cell.
So... I have'nt done this since November, but hope this helps.
1. A
2. A or B (most likely A)
3.B
4.B
